relapsing fever: marked by recurring high fever and transmitted by the bite of infected lice or ticks; characterized by episodes of high fever and chills and headache and muscle pain and nausea that recur every week or ten days for several months


recurrent fever: marked by recurring high fever and transmitted by the bite of infected lice or ticks; characterized by episodes of high fever and chills and headache and muscle pain and nausea that recur every week or ten days for several months


rheumatic fever: a severe disease chiefly of children and characterized by painful inflammation of the joints and frequently damage to the heart valves


rheumatic heart disease: heart disease caused by recurrent episodes of rheumatic fever; characterized by changes in the myocardium or scarring of the heart valves that reduce the power of the heart to pump blood


sweating sickness: epidemic in the 15th and 16th centuries and characterized by profuse sweating and high mortality


miliary fever: epidemic in the 15th and 16th centuries and characterized by profuse sweating and high mortality


tuberculosis: infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)


TB: infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)


T.B.: infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)


miliary tuberculosis: acute tuberculosis characterized by the appearance of tiny tubercles on one or more organs of the body (presumably resulting from tubercle bacilli being spread in the bloodstream)


pulmonary tuberculosis: involving the lungs with progressive wasting of the body


consumption: involving the lungs with progressive wasting of the body


phthisis: involving the lungs with progressive wasting of the body


wasting disease: involving the lungs with progressive wasting of the body


white plague: involving the lungs with progressive wasting of the body


scrofula: a form of tuberculosis characterized by swellings of the lymphatic glands


struma: a form of tuberculosis characterized by swellings of the lymphatic glands


king's evil: a form of tuberculosis characterized by swellings of the lymphatic glands


typhoid: serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water


typhoid fever: serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water


enteric fever: serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water


whooping cough: a disease of the respiratory mucous membrane


pertussis: a disease of the respiratory mucous membrane


yaws: an infectious tropical disease resembling syphilis in its early stages; marked by red skin eruptions and ulcerating lesions


frambesia: an infectious tropical disease resembling syphilis in its early stages; marked by red skin eruptions and ulcerating lesions


framboesia: an infectious tropical disease resembling syphilis in its early stages; marked by red skin eruptions and ulcerating lesions


yellow jack: caused by a flavivirus transmitted by a mosquito


yellow fever: caused by a flavivirus transmitted by a mosquito


black vomit: caused by a flavivirus transmitted by a mosquito


respiratory disease: a disease affecting the respiratory system


respiratory illness: a disease affecting the respiratory system


respiratory disorder: a disease affecting the respiratory system


cold: a mild viral infection involving the nose and respiratory passages (but not the lungs)


common cold: a mild viral infection involving the nose and respiratory passages (but not the lungs)


head cold: a common cold affecting the nasal passages and resulting in congestion and sneezing and headache


asthma: respiratory disorder characterized by wheezing; usually of allergic origin


asthma attack: respiratory disorder characterized by wheezing; usually of allergic origin


bronchial asthma: respiratory disorder characterized by wheezing; usually of allergic origin


status asthmaticus: a prolonged and severe asthma attack that does not respond to standard treatment


bronchitis: inflammation of the membranes lining the bronchial tubes


bronchiolitis: inflammation of the membranes lining the bronchioles


chronic bronchitis: a form of bronchitis characterized by excess production of sputum leading to a chronic cough and obstruction of air flow


chronic obstructive pulmonary disease: a nonreversible lung disease that is a combination of emphysema and chronic bronchitis; usually patients have been heavy cigarette smokers


coccidioidomycosis: an infection of the lungs and skin characterized by excessive sputum and nodules


coccidiomycosis: an infection of the lungs and skin characterized by excessive sputum and nodules


valley fever: an infection of the lungs and skin characterized by excessive sputum and nodules


desert rheumatism: an infection of the lungs and skin characterized by excessive sputum and nodules


cryptococcosis: a fungal infection characterized by nodular lesions--first in the lungs and spreading to the nervous system


emphysema: an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age


pulmonary emphysema: an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age


pneumonia: respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants


atypical pneumonia: an acute respiratory disease marked by high fever and coughing; caused by mycoplasma; primarily affecting children and young adults


primary atypical pneumonia: an acute respiratory disease marked by high fever and coughing; caused by mycoplasma; primarily affecting children and young adults


mycoplasmal pneumonia: an acute respiratory disease marked by high fever and coughing; caused by mycoplasma; primarily affecting children and young adults


bronchopneumonia: pneumonia characterized by acute inflammation of the walls of the bronchioles


bronchial pneumonia: pneumonia characterized by acute inflammation of the walls of the bronchioles


double pneumonia: lobar pneumonia involving both lungs


interstitial pneumonia: chronic lung disease affecting the interstitial tissue of the lungs


lobar pneumonia: pneumonia affecting one or more lobes of the lung; commonly due to streptococcal infection


Legionnaires' disease: acute (sometimes fatal) lobar pneumonia caused by bacteria of a kind first recognized after an outbreak of the disease at an American Legion convention in Philadelphia in 1976; characterized by fever and muscle and chest pain and headache and chills and a dry cough


pneumococcal pneumonia: pneumonia caused by bacteria of the genus pneumococcus


pneumocytosis: pneumonia occurring in infants or in persons with impaired immune systems (as AIDS victims)


pneumocystis pneumonia: pneumonia occurring in infants or in persons with impaired immune systems (as AIDS victims)


pneumocystis carinii pneumonia: pneumonia occurring in infants or in persons with impaired immune systems (as AIDS victims)


interstitial plasma cell pneumonia: pneumonia occurring in infants or in persons with impaired immune systems (as AIDS victims)


pneumothorax: abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)


psittacosis: an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds


parrot fever: an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds


ornithosis: an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds


pneumoconiosis: chronic respiratory disease caused by inhaling metallic or mineral particles


pneumonoconiosis: chronic respiratory disease caused by inhaling metallic or mineral particles


anthracosis: lung disease caused by inhaling coal dust


black lung: lung disease caused by inhaling coal dust


black lung disease: lung disease caused by inhaling coal dust


coal miner's lung: lung disease caused by inhaling coal dust


asbestosis: lung disease caused by inhaling asbestos particles


siderosis: fibrosis of the lung caused by iron dust; occurs among welders and other metal workers


silicosis: a lung disease caused by inhaling particles of silica or quartz or slate


respiratory distress syndrome: an acute lung disease of the newborn (especially the premature newborn); lungs cannot expand because of a wetting agent is lacking; characterized by rapid shallow breathing and cyanosis and the formation of a glassy hyaline membrane over the alveoli


respiratory distress syndrome of the newborn: an acute lung disease of the newborn (especially the premature newborn); lungs cannot expand because of a wetting agent is lacking; characterized by rapid shallow breathing and cyanosis and the formation of a glassy hyaline membrane over the alveoli


hyaline membrane disease: an acute lung disease of the newborn (especially the premature newborn); lungs cannot expand because of a wetting agent is lacking; characterized by rapid shallow breathing and cyanosis and the formation of a glassy hyaline membrane over the alveoli


genetic disease: a disease or disorder that is inherited genetically


genetic disorder: a disease or disorder that is inherited genetically


genetic abnormality: a disease or disorder that is inherited genetically


genetic defect: a disease or disorder that is inherited genetically


congenital disease: a disease or disorder that is inherited genetically


inherited disease: a disease or disorder that is inherited genetically


inherited disorder: a disease or disorder that is inherited genetically


hereditary disease: a disease or disorder that is inherited genetically


hereditary condition: a disease or disorder that is inherited genetically


abetalipoproteinemia: a rare inherited disorder of fat metabolism; characterized by severe deficiency of beta-lipoproteins and abnormal red blood cells (acanthocytes) and abnormally low cholesterol levels


ablepharia: a congenital absence of eyelids (partial or complete)


albinism: the congenital absence of pigmentation in the eyes and skin and hair


macrencephaly: an abnormally large braincase


anencephaly: a defect in brain development resulting in small or missing brain hemispheres


anencephalia: a defect in brain development resulting in small or missing brain hemispheres


adactylia: congenital absence of fingers and/or toes


adactyly: congenital absence of fingers and/or toes


adactylism: congenital absence of fingers and/or toes


ametria: congenital absence of the uterus


color blindness: genetic inability to distinguish differences in hue


colour blindness: genetic inability to distinguish differences in hue


color vision deficiency: genetic inability to distinguish differences in hue


colour vision deficiency: genetic inability to distinguish differences in hue


diplopia: visual impairment in which an object is seen as two objects


double vision: visual impairment in which an object is seen as two objects


epispadias: a congenital abnormality in males in which the urethra is on the upper surface of the penis


dichromacy: a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)


dichromatism: a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)


dichromatopsia: a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)


dichromia: a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)


dichromasy: a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)


red-green dichromacy: confusion of red and green


red-green color blindness: confusion of red and green


red-green colour blindness: confusion of red and green


deuteranopia: dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red


Daltonism: dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red


green-blindness: dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red


protanopia: dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue


red-blindness: dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue


yellow-blue dichromacy: confusion of yellow and blue


yellow-blue color blindness: confusion of yellow and blue


tetartanopia: a form of dichromacy characterized by lowered sensitivity to yellow light; so rare that its existence has been questioned


yellow-blindness: a form of dichromacy characterized by lowered sensitivity to yellow light; so rare that its existence has been questioned


tritanopia: rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow


blue-blindness: rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow


monochromacy: complete color blindness; colors can be differentiated only on the basis of brightness


monochromatism: complete color blindness; colors can be differentiated only on the basis of brightness


monochromatic vision: complete color blindness; colors can be differentiated only on the basis of brightness


monochromia: complete color blindness; colors can be differentiated only on the basis of brightness


monochromasy: complete color blindness; colors can be differentiated only on the basis of brightness


cystic fibrosis: the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known


CF: the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known


fibrocystic disease of the pancreas: the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known


pancreatic fibrosis: the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known


mucoviscidosis: the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known


inborn error of metabolism: any of a number of diseases in which an inherited defect (usually a missing or inadequate enzyme) results in an abnormality of metabolism


galactosemia: a genetic disease (autosomal recessive) in which an enzyme needed to metabolize galactose is deficient or absent; typically develops shortly after birth


Gaucher's disease: a rare chronic disorder of lipid metabolism of genetic origin


Hirschsprung's disease: congenital condition in which the colon does not have the normal network of nerves; there is little urge to defecate so the feces accumulate and cause megacolon


congenital megacolon: congenital condition in which the colon does not have the normal network of nerves; there is little urge to defecate so the feces accumulate and cause megacolon


Horner's syndrome: a pattern of symptoms occurring as a result of damage to nerves in the cervical region of the spine (drooping eyelids and constricted pupils and absence of facial sweating)


Huntington's chorea: hereditary disease; develops in adulthood and ends in dementia


Huntington's disease: hereditary disease; develops in adulthood and ends in dementia


Hurler's syndrome: hereditary disease (autosomal recessive) consisting of an error is mucopolysaccharide metabolism; characterized by severe abnormalities in development of skeletal cartilage and bone and mental retardation


Hurler's disease: hereditary disease (autosomal recessive) consisting of an error is mucopolysaccharide metabolism; characterized by severe abnormalities in development of skeletal cartilage and bone and mental retardation


gargoylism: hereditary disease (autosomal recessive) consisting of an error is mucopolysaccharide metabolism; characterized by severe abnormalities in development of skeletal cartilage and bone and mental retardation


dysostosis multiplex: hereditary disease (autosomal recessive) consisting of an error is mucopolysaccharide metabolism; characterized by severe abnormalities in development of skeletal cartilage and bone and mental retardation


lipochondrodystrophy: hereditary disease (autosomal recessive) consisting of an error is mucopolysaccharide metabolism; characterized by severe abnormalities in development of skeletal cartilage and bone and mental retardation


mucopolysaccharidosis: any of a group of genetic disorders involving a defect in the metabolism of mucopolysaccharides resulting in greater than normal levels of mucopolysaccharides in tissues


malignant hyperthermia: hereditary condition in which certain anesthetics (e.g., halothane) cause high body temperatures and muscle rigidity


Marfan's syndrome: an autosomal dominant disease characterized by elongated bones (especially of limbs and digits) and abnormalities of the eyes and circulatory system


neurofibromatosis: autosomal dominant disease characterized by numerous neurofibromas and by spots on the skin and often by developmental abnormalities


von Recklinghausen's disease: autosomal dominant disease characterized by numerous neurofibromas and by spots on the skin and often by developmental abnormalities


osteogenesis imperfecta: autosomal dominant disorder of connective tissue characterized by brittle bones that fracture easily


hyperbetalipoproteinemia: a genetic disorder characterized by high levels of beta-lipoproteins and cholesterol; can lead to atherosclerosis at an early age


hypobetalipoproteinemia: a hereditary disorder characterized by low levels of beta-lipoproteins and lipids and cholesterol


ichthyosis: any of several congenital diseases in which the skin is dry and scaly like a fish


clinocephaly: a congenital defect in which the top of the head is depressed (concave instead of convex)


clinocephalism: a congenital defect in which the top of the head is depressed (concave instead of convex)


clinodactyly: a congenital defect in which one or more toes or fingers are abnormally positioned


macroglossia: a congenital disorder characterized by an abnormally large tongue; often seen in cases of Down's syndrome


mongolism: a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation


mongolianism: a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation


Down's syndrome: a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation


Down syndrome: a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation


trisomy 21: a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation


maple syrup urine disease: an inherited disorder of metabolism in which the urine has a odor characteristic of maple syrup; if untreated it can lead to mental retardation and death in early childhood


branched chain ketoaciduria: an inherited disorder of metabolism in which the urine has a odor characteristic of maple syrup; if untreated it can lead to mental retardation and death in early childhood


McArdle's disease: an inherited disease in which abnormal amounts of glycogen accumulate in skeletal muscle; results in weakness and cramping


muscular dystrophy: any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles


dystrophy: any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles


oligodactyly: congenital condition in which some fingers or toes are missing


oligodontia: congenital condition in which some of the teeth are missing


otosclerosis: hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness


Becker muscular dystrophy: a form of muscular dystrophy that sets in in adolescence or adulthood and progresses slowly but will affect all voluntary muscles; characterized by generalized weakness and muscle wasting that affects limb and trunk muscles first; similar to Duchenne's muscular dystrophy but less severe; inheritance is X-linked recessive (carried by females but affecting only males)


distal muscular dystrophy: a form of muscular dystrophy that sets in between 40 and 60 years of age and is characterized by weakness and wasting of the muscles of the hands and forearms and lower legs; inheritance is autosomal dominant


Duchenne's muscular dystrophy: the most common form of muscular dystrophy; inheritance is X-linked recessive (carried by females but affecting only males)


pseudohypertrophic dystrophy: the most common form of muscular dystrophy; inheritance is X-linked recessive (carried by females but affecting only males)


autosomal dominant disease: a disease caused by a dominant mutant gene on an autosome


autosomal dominant disorder: a disease caused by a dominant mutant gene on an autosome


autosomal recessive disease: a disease caused by the presence of two recessive mutant genes on an autosome


autosomal recessive defect: a disease caused by the presence of two recessive mutant genes on an autosome


limb-girdle muscular dystrophy: an autosomal recessive form of muscular dystrophy that appears anywhere from late childhood to middle age; characterized by progressive muscular weakness beginning either in the shoulder or pelvic girdle; usually progresses slowly with cardiopulmonary complications in the later stages


lysinemia: an inborn error of metabolism in which the lack of certain enzymes leads to an inability to metabolize the amino acid lysine; characterized by muscular weakness and mental retardation


myotonic muscular dystrophy: a severe form of muscular dystrophy marked by generalized weakness and muscular wasting that affects the face and feet and hands and neck; difficult speech and difficulty with the hands that spreads to the arms and shoulders and legs and hips; the onset can be any time from birth to middle age and the progression is slow; inheritance is autosomal dominant


myotonic dystrophy: a severe form of muscular dystrophy marked by generalized weakness and muscular wasting that affects the face and feet and hands and neck; difficult speech and difficulty with the hands that spreads to the arms and shoulders and legs and hips; the onset can be any time from birth to middle age and the progression is slow; inheritance is autosomal dominant


myotonia atrophica: a severe form of muscular dystrophy marked by generalized weakness and muscular wasting that affects the face and feet and hands and neck; difficult speech and difficulty with the hands that spreads to the arms and shoulders and legs and hips; the onset can be any time from birth to middle age and the progression is slow; inheritance is autosomal dominant


Steinert's disease: a severe form of muscular dystrophy marked by generalized weakness and muscular wasting that affects the face and feet and hands and neck; difficult speech and difficulty with the hands that spreads to the arms and shoulders and legs and hips; the onset can be any time from birth to middle age and the progression is slow; inheritance is autosomal dominant


oculopharyngeal muscular dystrophy: a form of muscular dystrophy that usually begins between early adulthood and middle age and first affects muscles of the eyelid and throat; progresses slowly with swallowing problems common as the disease progresses; inheritance is autosomal dominant


Niemann-Pick disease: a disorder of lipid metabolism that is inherited as an autosomal recessive trait


oxycephaly: a congenital abnormality of the skull; the top of the skull assumes a cone shape


acrocephaly: a congenital abnormality of the skull; the top of the skull assumes a cone shape


aplastic anemia: anemia characterized by pancytopenia resulting from failure of the bone marrow; can be caused by neoplasm or by toxic exposure


aplastic anaemia: anemia characterized by pancytopenia resulting from failure of the bone marrow; can be caused by neoplasm or by toxic exposure


erythroblastosis fetalis: severe anemia in newborn babies; the result of Rh incompatibility between maternal and fetal blood; typically occurs when the child of an Rh-negative mother inherits Rh-positive blood from the father; can be diagnosed before birth by amniocentesis


Fanconi's anemia: a rare congenital anemia characterized by pancytopenia and hypoplasia of the bone marrow


Fanconi's anaemia: a rare congenital anemia characterized by pancytopenia and hypoplasia of the bone marrow


congenital pancytopenia: a rare congenital anemia characterized by pancytopenia and hypoplasia of the bone marrow


favism: anemia resulting from eating fava beans; victims have an inherited blood abnormality and enzyme deficiency


hemolytic anemia: anemia resulting from destruction of erythrocytes


haemolytic anaemia: anemia resulting from destruction of erythrocytes


hyperchromic anemia: anemia characterized by an increase in the concentration of corpuscular hemoglobin


hyperchromic anaemia: anemia characterized by an increase in the concentration of corpuscular hemoglobin


hypochromic anemia: anemia characterized by a decrease in the concentration of corpuscular hemoglobin


hypochromic anaemia: anemia characterized by a decrease in the concentration of corpuscular hemoglobin


hypoplastic anemia: anemia resulting from inadequately functioning bone marrow; can develop into aplastic anemia


hypoplastic anaemia: anemia resulting from inadequately functioning bone marrow; can develop into aplastic anemia


iron deficiency anemia: a form of anemia due to lack of iron in the diet or to iron loss as a result of chronic bleeding


iron deficiency anaemia: a form of anemia due to lack of iron in the diet or to iron loss as a result of chronic bleeding


ischemia: local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism


ischaemia: local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism


ischemic stroke: the most common kind of stroke; caused by an interruption in the flow of blood to the brain (as from a clot blocking a blood vessel)


ischaemic stroke: the most common kind of stroke; caused by an interruption in the flow of blood to the brain (as from a clot blocking a blood vessel)


transient ischemic attack: brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage


TIA: brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage


chlorosis: iron deficiency anemia in young women; characterized by weakness and menstrual disturbances and a green color to the skin


greensickness: iron deficiency anemia in young women; characterized by weakness and menstrual disturbances and a green color to the skin


macrocytic anemia: anemia in which the average size of erythrocytes is larger than normal


macrocytic anaemia: anemia in which the average size of erythrocytes is larger than normal


microcytic anemia: anemia in which the average size of erythrocytes is smaller than normal


microcytic anaemia: anemia in which the average size of erythrocytes is smaller than normal


parasitemia: a condition in which parasites are present in the blood


parasitaemia: a condition in which parasites are present in the blood


pernicious anemia: a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)


pernicious anaemia: a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)


malignant anemia: a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)


malignant anaemia: a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)


megaloblastic anemia: anemia characterized by many large immature and dysfunctional red blood cells (megaloblasts) in the bone marrow; associated with pernicious anemia


megaloblastic anaemia: anemia characterized by many large immature and dysfunctional red blood cells (megaloblasts) in the bone marrow; associated with pernicious anemia


metaplastic anemia: pernicious anemia in which the various formed elements in the blood are changed


metaplastic anaemia: pernicious anemia in which the various formed elements in the blood are changed


refractory anemia: any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)


refractory anaemia: any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)


sideroblastic anemia: refractory anemia characterized by sideroblasts in the bone marrow


sideroblastic anaemia: refractory anemia characterized by sideroblasts in the bone marrow


siderochrestic anemia: refractory anemia characterized by sideroblasts in the bone marrow


siderochrestic anaemia: refractory anemia characterized by sideroblasts in the bone marrow


sideropenia: a deficiency of iron; results from inadequate iron in the diet or from hemorrhage


sickle-cell anemia: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


sickle-cell anaemia: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


sickle-cell disease: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


crescent-cell anemia: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


crescent-cell anaemia: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


drepanocytic anemia: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


drepanocytic anaemia: a congenital form of anemia occurring mostly in blacks; characterized by abnormal blood cells having a crescent shape


Spielmeyer-Vogt disease: a congenital progressive disorder of lipid metabolism having an onset at age 5 and characterized by blindness and dementia and early death


juvenile amaurotic idiocy: a congenital progressive disorder of lipid metabolism having an onset at age 5 and characterized by blindness and dementia and early death


Tay-Sachs disease: a hereditary disorder of lipid metabolism occurring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood


Tay-Sachs: a hereditary disorder of lipid metabolism occurring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood


Sachs disease: a hereditary disorder of lipid metabolism occurring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood


infantile amaurotic idiocy: a hereditary disorder of lipid metabolism occurring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood


thrombasthenia: a rare autosomal recessive disease in which the platelets do not produce clots in the normal way and hemorrhage results


tyrosinemia: autosomal recessive defect in tyrosine metabolism resulting in liver and kidney disturbances and mental retardation


Werdnig-Hoffman disease: autosomal recessive disease in which the degeneration of spinal nerve cells and brain nerve cells leads to atrophy of skeletal muscles and flaccid paralysis; death usually occurs in early childhood


hemophilia: congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son


haemophilia: congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son


bleeder's disease: congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son


afibrinogenemia: the absence of fibrinogen in the plasma leading to prolonged bleeding


hemophilia A: hemophilia caused by a congenital deficiency of factor VIII; occurs almost exclusively in men


haemophilia A: hemophilia caused by a congenital deficiency of factor VIII; occurs almost exclusively in men


classical hemophilia: hemophilia caused by a congenital deficiency of factor VIII; occurs almost exclusively in men


classical haemophilia: hemophilia caused by a congenital deficiency of factor VIII; occurs almost exclusively in men


hemophilia B: a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX


haemophilia B: a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX


Christmas disease: a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX


von Willebrand's disease: a form of hemophilia discovered by Erik von Willebrand; a genetic disorder that is inherited as an autosomal recessive trait; characterized by a deficiency of the coagulation factor and by mucosal bleeding


angiohemophilia: a form of hemophilia discovered by Erik von Willebrand; a genetic disorder that is inherited as an autosomal recessive trait; characterized by a deficiency of the coagulation factor and by mucosal bleeding


vascular hemophilia: a form of hemophilia discovered by Erik von Willebrand; a genetic disorder that is inherited as an autosomal recessive trait; characterized by a deficiency of the coagulation factor and by mucosal bleeding


congenital afibrinogenemia: a rare congenital disorder of blood coagulation in which no fibrinogen is found in the blood plasma


inflammatory disease: a disease characterized by inflammation


gastroenteritis: inflammation of the stomach and intestines; can be caused by Salmonella enteritidis


stomach flu: inflammation of the stomach and intestines; can be caused by Salmonella enteritidis


intestinal flu: inflammation of the stomach and intestines; can be caused by Salmonella enteritidis


cholera infantum: often fatal form of gastroenteritis occurring in children; not true cholera but having similar symptoms


cholera morbus: severe gastroenteritis of unknown etiology; characterized by severe colic and vomiting and diarrhea


collywobbles: severe gastroenteritis of unknown etiology; characterized by severe colic and vomiting and diarrhea


pelvic inflammatory disease: inflammation of the female pelvic organs (especially the Fallopian tubes) caused by infection by any of several microorganisms (chiefly gonococci and chlamydia); symptoms are abdominal pain and fever and foul-smelling vaginal discharge


PID: inflammation of the female pelvic organs (especially the Fallopian tubes) caused by infection by any of several microorganisms (chiefly gonococci and chlamydia); symptoms are abdominal pain and fever and foul-smelling vaginal discharge


empyema: a collection of pus in a body cavity (especially in the lung cavity)


pleurisy: inflammation of the pleura of the lungs (especially the parietal layer)


purulent pleurisy: a collection of pus in the lung cavity


pleuropneumonia: pleurisy and pneumonia


pyelitis: inflammation of the renal pelvis


sore throat: inflammation of the fauces and pharynx


pharyngitis: inflammation of the fauces and pharynx


raw throat: inflammation of the fauces and pharynx


angina: any disease of the throat or fauces marked by spasmodic attacks of intense suffocative pain


quinsy: a painful pus filled inflammation of the tonsils and surrounding tissues; usually a complication of tonsillitis


peritonsillar abscess: a painful pus filled inflammation of the tonsils and surrounding tissues; usually a complication of tonsillitis


croup: a disease of infants and young children; harsh coughing and hoarseness and fever and difficult breathing


spasmodic laryngitis: a disease of infants and young children; harsh coughing and hoarseness and fever and difficult breathing


glossoptosis: abnormal downward or back placement of the tongue


hypermotility: excessive movement; especially excessive motility of the gastrointestinal tract


indisposition: a slight illness


infection: the pathological state resulting from the invasion of the body by pathogenic microorganisms


amebiasis: infection by a disease-causing ameba


amoebiasis: infection by a disease-causing ameba


amebiosis: infection by a disease-causing ameba


amoebiosis: infection by a disease-causing ameba


amebic dysentery: inflammation of the intestines caused by Endamoeba histolytica; usually acquired by ingesting food or water contaminated with feces; characterized by severe diarrhea


amoebic dysentery: inflammation of the intestines caused by Endamoeba histolytica; usually acquired by ingesting food or water contaminated with feces; characterized by severe diarrhea


chlamydia: a sexually transmitted infection caused by bacteria of the genus Chlamydia


fascioliasis: infestation with the liver fluke Fasciola hepatica; liver damage sometimes occurs; related to liver rot


fasciolosis: infestation with the liver fluke Fasciola hepatica; liver damage sometimes occurs; related to liver rot


fasciolopsiasis: infestation with the large intestinal fluke Fasciolopsis buski; common in eastern Asia


Guinea worm disease: a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin


Guinea worm: a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin


dracunculiasis: a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin


enterobiasis: an infestation with or a resulting infection caused by the pinworm Enterobius vermicularis; occurs especially in children


felon: a purulent infection at the end of a finger or toe in the area surrounding the nail


whitlow: a purulent infection at the end of a finger or toe in the area surrounding the nail


focal infection: bacterial infection limited to a specific organ or region especially one causing symptoms elsewhere


fungal infection: an inflammatory condition caused by a fungus


mycosis: an inflammatory condition caused by a fungus


giardiasis: infection of the intestines with protozoa found in contaminated food and water; characterized by diarrhea and nausea and flatulence and abdominal discomfort


hemorrhagic fever: a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage


haemorrhagic fever: a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage


viral hemorrhagic fever: a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage


viral haemorrhagic fever: a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage


VHF: a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage


herpangia: a viral infection (usually in children) marked by sore throat and fever and papules in the mouth and throat and headache and abdominal pain; usually subsides in a short time


leishmaniasis: sores resulting from a tropical infection by protozoa of the genus Leishmania which are spread by sandflies


leishmaniosis: sores resulting from a tropical infection by protozoa of the genus Leishmania which are spread by sandflies


kala azar: sores resulting from a tropical infection by protozoa of the genus Leishmania which are spread by sandflies


nonsocial infection: an infection that is acquired at a hospital or other healthcare facility


cross infection: an infection that is acquired at a hospital or other healthcare facility


opportunistic infection: any infection caused by a microorganism that does not normally cause disease in humans; occurs in persons with abnormally functioning immune systems (as AIDS patients or transplant patients receiving immunosuppressive drugs)


paronychia: infection in the tissues adjacent to a nail on a finger or toe


protozoal infection: any infection caused by a protozoan


respiratory tract infection: any infection of the respiratory tract


respiratory infection: any infection of the respiratory tract


lower respiratory infection: infection of the lower respiratory tract


Crimea-Congo hemorrhagic fever: an infection common in Arab states caused by a bunyavirus; transmitted by a tick that thrives on sheep


Rift Valley fever: an infection common in Africa caused by a bunyavirus; transmitted by mosquitoes or by handling infected animals


HIV: infection by the human immunodeficiency virus


viral pneumonia: pneumonia caused by a virus


severe acute respiratory syndrome: a respiratory disease of unknown etiology that apparently originated in mainland China in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal


SARS: a respiratory disease of unknown etiology that apparently originated in mainland China in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal


upper respiratory infection: infection of the upper respiratory tract


scabies: a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation


itch: a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation


schistosomiasis: an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected


bilharzia: an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected


bilharziasis: an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected


sepsis: the presence of pus-forming bacteria or their toxins in the blood or tissues


visceral leishmaniasis: leishmaniasis of the viscera


kala-azar: leishmaniasis of the viscera


Assam fever: leishmaniasis of the viscera


dumdum fever: leishmaniasis of the viscera


cutaneous leishmaniasis: leishmaniasis of the skin; characterized by ulcerative skin lesions


Old World leishmaniasis: leishmaniasis of the skin; characterized by ulcerative skin lesions


oriental sore: leishmaniasis of the skin; characterized by ulcerative skin lesions


tropical sore: leishmaniasis of the skin; characterized by ulcerative skin lesions


Delhi boil: leishmaniasis of the skin; characterized by ulcerative skin lesions


Aleppo boil: leishmaniasis of the skin; characterized by ulcerative skin lesions


mucocutaneous leishmaniasis: a form of leishmaniasis endemic in Mexico and Central American and South America; sores are limited to the skin and mucosa


New World leishmaniasis: a form of leishmaniasis endemic in Mexico and Central American and South America; sores are limited to the skin and mucosa


American leishmaniasis: a form of leishmaniasis endemic in Mexico and Central American and South America; sores are limited to the skin and mucosa


leishmaniasis americana: a form of leishmaniasis endemic in Mexico and Central American and South America; sores are limited to the skin and mucosa


nasopharyngeal leishmaniasis: a form of leishmaniasis endemic in Mexico and Central American and South America; sores are limited to the skin and mucosa


candidiasis: an infection caused by fungi of the genus Monilia or Candida (especially Candida albicans)


moniliasis: an infection caused by fungi of the genus Monilia or Candida (especially Candida albicans)


monilia disease: an infection caused by fungi of the genus Monilia or Candida (especially Candida albicans)


dermatomycosis: fungal infection of the skin (especially of moist parts covered by clothing)


dermatophytosis: fungal infection of the skin (especially of moist parts covered by clothing)


favus: a contagious fungal infection of the scalp; occurs mainly in Africa and the Middle East


keratomycosis: fungal infection of the cornea


phycomycosis: any fungal infection caused by fungi of the Phycomycetes group


sporotrichosis: a chronic fungal infection of the skin and lymph nodes


thrush: candidiasis of the oral cavity; seen mostly in infants or debilitated adults


focus: a central point or locus of an infection in an organism


focal point: a central point or locus of an infection in an organism


nidus: a central point or locus of an infection in an organism


aspergillosis: an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs


sore: an open skin infection


boil: a painful sore with a hard core filled with pus


furuncle: a painful sore with a hard core filled with pus


gumboil: a boil or abscess on the gums


blain: an inflammatory swelling or sore


chilblain: inflammation of the hands and feet caused by exposure to cold and moisture


chilblains: inflammation of the hands and feet caused by exposure to cold and moisture


pernio: inflammation of the hands and feet caused by exposure to cold and moisture


kibe: ulcerated chilblain on the heel


carbuncle: an infection larger than a boil and with several openings for discharge of pus


cartilaginification: abnormal formation of cartilage from other tissues; observed in some Asians


chancre: a small hard painless nodule at the site of entry of a pathogen (as syphilis)


fester: a sore that has become inflamed and formed pus


suppurating sore: a sore that has become inflamed and formed pus


gall: a skin sore caused by chafing


saddle sore: sore on a horseback rider chafed by a saddle


shigellosis: an acute infection of the intestine by shigella bacteria; characterized by diarrhea and fever and abdominal pains


bacillary dysentery: an acute infection of the intestine by shigella bacteria; characterized by diarrhea and fever and abdominal pains


staphylococcal infection: an infection with staphylococcus bacteria; usually marked by abscess formation


streptococcal sore throat: an infection of the oral pharynx and tonsils by streptococcus


strep throat: an infection of the oral pharynx and tonsils by streptococcus


streptococcus tonsilitis: an infection of the oral pharynx and tonsils by streptococcus


septic sore throat: an infection of the oral pharynx and tonsils by streptococcus


throat infection: an infection of the oral pharynx and tonsils by streptococcus


sty: an infection of the sebaceous gland of the eyelid


stye: an infection of the sebaceous gland of the eyelid


hordeolum: an infection of the sebaceous gland of the eyelid


eye infection: an infection of the sebaceous gland of the eyelid


superinfection: infection that occurs while you are being treated for another infection


suprainfection: secondary infection caused by an opportunistic infection


tapeworm infection: intestinal infection by a species of parasitic tapeworm; usually the result of eating inadequately cooked meat or fish


tetanus: an acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages


lockjaw: an acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages


toxoplasmosis: infection caused by parasites transmitted to humans from infected cats; if contracted by a pregnant woman it can result in serious damage to the fetus


trichomoniasis: infection of the vagina


viral infection: infection by a virus that is pathogenic to humans


virus infection: infection by a virus that is pathogenic to humans


arthritis: inflammation of a joint or joints


rheumatoid arthritis: a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint


atrophic arthritis: a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint


rheumatism: a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint


rheumatoid factor: autoantibody that is usually present in the serum of people with rheumatoid arthritis


autoimmune disease: any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues


autoimmune disorder: any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues


psoriatic arthritis: a form of rheumatoid arthritis usually affecting fingers and toes and associated with psoriasis


Still's disease: a form of rheumatoid arthritis that affects children; large joints become inflamed and bone growth may be retarded


juvenile rheumatoid arthritis: a form of rheumatoid arthritis that affects children; large joints become inflamed and bone growth may be retarded


osteoarthritis: chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age


degenerative arthritis: chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age


degenerative joint disease: chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age


osteosclerosis: abnormal hardening or eburnation of bone


housemaid's knee: swelling of the bursa in the knee (due to trauma or excessive kneeling)


cystitis: inflammation of the urinary bladder and ureters


gout: a painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints


gouty arthritis: a painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints


urarthritis: a painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints


spondylarthritis: arthritis that affects one or more of the intervertebral joints in the spine


blood disease: a disease or disorder of the blood


blood disorder: a disease or disorder of the blood


blood poisoning: invasion of the bloodstream by virulent microorganisms from a focus of infection


septicemia: invasion of the bloodstream by virulent microorganisms from a focus of infection


septicaemia: invasion of the bloodstream by virulent microorganisms from a focus of infection


sapremia: blood poisoning caused by putrefactive bacteria; results from eating putrefied matter


sapraemia: blood poisoning caused by putrefactive bacteria; results from eating putrefied matter


ozone sickness: illness that can occur to persons exposed to ozone in high-altitude aircraft; characterized by sleepiness and headache and chest pains and itchiness


puerperal fever: serious form of septicemia contracted by a woman during childbirth or abortion (usually attributable to unsanitary conditions); formerly widespread but now uncommon


childbed fever: serious form of septicemia contracted by a woman during childbirth or abortion (usually attributable to unsanitary conditions); formerly widespread but now uncommon


pyemia: septicemia caused by pus-forming bacteria being released from an abscess


pyaemia: septicemia caused by pus-forming bacteria being released from an abscess


toxemia: blood poisoning caused by bacterial toxic substances in the blood


toxaemia: blood poisoning caused by bacterial toxic substances in the blood


toxemia of pregnancy: an abnormal condition of pregnancy characterized by hypertension and edema and protein in the urine


toxaemia of pregnancy: an abnormal condition of pregnancy characterized by hypertension and edema and protein in the urine


toxemia: an abnormal condition of pregnancy characterized by hypertension and edema and protein in the urine


toxaemia: an abnormal condition of pregnancy characterized by hypertension and edema and protein in the urine


eclampsia: a toxic condition characterized by convulsions and possibly coma during or immediately after pregnancy


preeclampsia: abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated


pre-eclampsia: abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated


eosinopenia: a decrease in the number of eosinophils in the blood


erythroblastosis: a blood disease characterized by the abnormal presence of erythroblasts in the blood


hemoglobinemia: presence of excessive hemoglobin in the blood plasma


haemoglobinemia: presence of excessive hemoglobin in the blood plasma


hemoglobinopathy: a blood disease characterized by the presence of abnormal hemoglobins in the blood


haemoglobinopathy: a blood disease characterized by the presence of abnormal hemoglobins in the blood


hemoptysis: coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs


haemoptysis: coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs


Hand-Schuller-Christian disease: inflammatory histiocytosis associated with disturbance of cholesterol metabolism; occurs chiefly in young children and is characterized by cystic defects of the skull and diabetes insipidus


Schuller-Christian disease: inflammatory histiocytosis associated with disturbance of cholesterol metabolism; occurs chiefly in young children and is characterized by cystic defects of the skull and diabetes insipidus


Haverhill fever: the form of ratbite fever occurring in the United States


histiocytosis: a blood disease characterized by an abnormal multiplication of macrophages


hydatid mole: an abnormality during pregnancy; chorionic villi around the fetus degenerate and form clusters of fluid-filled sacs; usually associated with the death of the fetus


hydatidiform mole: an abnormality during pregnancy; chorionic villi around the fetus degenerate and form clusters of fluid-filled sacs; usually associated with the death of the fetus


molar pregnancy: an abnormality during pregnancy; chorionic villi around the fetus degenerate and form clusters of fluid-filled sacs; usually associated with the death of the fetus


hydramnios: an abnormality of pregnancy; accumulation of excess amniotic fluid


water on the knee: hydrarthrosis affecting the knee


hydremia: blood disorder in which there is excess fluid volume compared with the cell volume of the blood


hydrocele: disorder in which serous fluid accumulates in a body sac (especially in the scrotum)


lipidosis: a disorder of lipid metabolism; abnormal levels of certain fats accumulate in the body


lipemia: presence of excess lipids in the blood


lipaemia: presence of excess lipids in the blood


lipidemia: presence of excess lipids in the blood


lipidaemia: presence of excess lipids in the blood


lipoidemia: presence of excess lipids in the blood


lipoidaemia: presence of excess lipids in the blood


hyperlipemia: presence of excess lipids in the blood


hyperlipaemia: presence of excess lipids in the blood


hyperlipidemia: presence of excess lipids in the blood


hyperlipidaemia: presence of excess lipids in the blood


hyperlipoidemia: presence of excess lipids in the blood


hyperlipoidaemia: presence of excess lipids in the blood


lysine intolerance: a disorder in which a lack of certain enzymes makes it impossible to digest the amino acid lysine


lysogeny: the condition of a host bacterium that has incorporated a phage into its own genetic material


lysogenicity: the condition of a host bacterium that has incorporated a phage into its own genetic material


hypothrombinemia: a low level of prothrombin (factor II) in the circulating blood; results in long clotting time and poor clot formation and sometimes excessive bleeding; can result from vitamin K deficiency


hypervolemia: a blood disorder consisting of an increase in the volume of circulating blood


hypervolaemia: a blood disorder consisting of an increase in the volume of circulating blood


hypovolemia: a blood disorder consisting of a decrease in the volume of circulating blood


hypovolaemia: a blood disorder consisting of a decrease in the volume of circulating blood


anemia: a deficiency of red blood cells


anaemia: a deficiency of red blood cells


thalassemia: an inherited form of anemia caused by faulty synthesis of hemoglobin


thalassaemia: an inherited form of anemia caused by faulty synthesis of hemoglobin


Mediterranean anemia: an inherited form of anemia caused by faulty synthesis of hemoglobin


Mediterranean anaemia: an inherited form of anemia caused by faulty synthesis of hemoglobin


Cooley's anemia: a fatal form of homozygous thalassemia (inherited from both parents) in which there is no hemoglobin; skeletal deformations; heart and spleen and liver enlarged


Cooley's anaemia: a fatal form of homozygous thalassemia (inherited from both parents) in which there is no hemoglobin; skeletal deformations; heart and spleen and liver enlarged


thalassemia major: a fatal form of homozygous thalassemia (inherited from both parents) in which there is no hemoglobin; skeletal deformations; heart and spleen and liver enlarged


thalassaemia major: a fatal form of homozygous thalassemia (inherited from both parents) in which there is no hemoglobin; skeletal deformations; heart and spleen and liver enlarged


leukocytosis: an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)


leucocytosis: an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)


leukopenia: an abnormal lowering of the white blood cell count


leucopenia: an abnormal lowering of the white blood cell count


neutropenia: leukopenia in which the decrease is primarily in number of neutrophils (the chief phagocytic leukocyte)


cyclic neutropenia: neutropenia that occurs periodically


lymphocytopenia: an abnormally small number of lymphocytes in the circulating blood


lymphopenia: an abnormally small number of lymphocytes in the circulating blood


lymphocytosis: an abnormal increase in the number of lymphocytes in the circulating blood


microcytosis: a blood disorder characterized by the presence of microcytes (abnormally small red blood cells) in the blood; often associated with anemia


polycythemia: a disorder characterized by an abnormal increase in the number of red blood cells in the blood


purpura: any of several blood diseases causing subcutaneous bleeding


peliosis: any of several blood diseases causing subcutaneous bleeding


nonthrombocytopenic purpura: purpura resulting from a defect in the capillaries caused by bacteria or drugs


essential thrombocytopenia: the primary form of thrombocytopenia (rather than a shortage of platelets caused by other conditions such as tuberculosis or chemical suppression of bone marrow etc.)


thrombocytopenia: a blood disease characterized by an abnormally small number of platelets in the blood


thrombopenia: a blood disease characterized by an abnormally small number of platelets in the blood


deficiency disease: any disease caused by a lack of an essential nutrient (as a vitamin or mineral)


fibrocystic breast disease: the presence of one or more cysts in a breast


fibrocystic disease of the breast: the presence of one or more cysts in a breast


cystic breast disease: the presence of one or more cysts in a breast


cystic mastitis: the presence of one or more cysts in a breast


avitaminosis: any of several diseases caused by deficiency of one or more vitamins


hypovitaminosis: any of several diseases caused by deficiency of one or more vitamins


hypervitaminosis: an abnormal condition resulting from taking vitamins excessively; can be serious for vitamins A or D or K


hypospadias: an abnormal condition in males in which the urethra opens on the under surface of the penis


lagophthalmos: abnormal condition in which an eye cannot close completely


beriberi: avitaminosis caused by lack of thiamine (vitamin B1)


kakke disease: the endemic form of beriberi


goiter: abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet


goitre: abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet


struma: abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet


thyromegaly: abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet


malnutrition: a state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods


kwashiorkor: severe malnutrition in children resulting from a diet excessively high in carbohydrates and low in protein


marasmus: extreme malnutrition and emaciation (especially in children); can result from inadequate intake of food or from malabsorption or metabolic disorders


mental abnormality: any abnormality of mental function


nanophthalmos: condition in which both eyes are abnormally small but otherwise normal


organic brain syndrome: mental abnormality resulting from disturbance of the structure or function of the brain


zinc deficiency: a deficiency caused by inadequate zinc in the diet or by liver disease or cystic fibrosis or other diseases


pellagra: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


Alpine scurvy: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


mal de la rosa: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


mal rosso: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


maidism: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


mayidism: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


Saint Ignatius' itch: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments


rickets: childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus


rachitis: childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus


scurvy: a condition caused by deficiency of ascorbic acid (vitamin C)


scorbutus: a condition caused by deficiency of ascorbic acid (vitamin C)


dermoid cyst: a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other material


galactocele: a cystic tumor containing milk or a milky substance (especially in the mammary glands)


hemorrhagic cyst: a cyst containing blood


blood cyst: a cyst containing blood


hematocyst: a cyst containing blood


hydatid: cyst filled with liquid; forms as a result of infestation by tapeworm larvae (as in echinococcosis)


nabothian cyst: a cyst that forms in the nabothian glands of the uterine cervix


nabothian follicle: a cyst that forms in the nabothian glands of the uterine cervix


ovarian cyst: a cystic tumor (usually benign) of the ovary


chalazion: a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked


Meibomian cyst: a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked


ranula: a cyst on the underside of the tongue


sebaceous cyst: a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked


pilar cyst: a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked


wen: a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked


steatocystoma: a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked


cyst: a closed sac that develops abnormally in some body structure


pip: a minor nonspecific ailment


motion sickness: the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle


kinetosis: the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle


airsickness: motion sickness experienced while traveling by air (especially during turbulence)


air sickness: motion sickness experienced while traveling by air (especially during turbulence)


car sickness: motion sickness experienced while traveling in a car


seasickness: motion sickness experienced while traveling on water


mal de mer: motion sickness experienced while traveling on water


naupathia: motion sickness experienced while traveling on water


heatstroke: collapse caused by exposure to excessive heat


heat hyperpyrexia: collapse caused by exposure to excessive heat


heat exhaustion: a condition marked by dizziness and nausea and weakness caused by depletion of body fluids and electrolytes


heat prostration: a condition marked by dizziness and nausea and weakness caused by depletion of body fluids and electrolytes


algidity: prostration characterized by cold and clammy skin and low blood pressure


sunstroke: sudden prostration due to exposure to the sun or excessive heat


insolation: sudden prostration due to exposure to the sun or excessive heat


thermic fever: sudden prostration due to exposure to the sun or excessive heat


siriasis: sudden prostration due to exposure to the sun or excessive heat


endometriosis: the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea


adenomyosis: the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea


pathology: any deviation from a healthy or normal condition


adhesion: abnormal union of bodily tissues; most common in the abdomen


symphysis: an abnormal adhesion of two or more structures


synechia: adhesions between the iris and the lens or cornea resulting from trauma or eye surgery or as a complication of glaucoma or cataract; can lead to blindness


anterior synechia: adhesion between the iris and the cornea


posterior synechia: adhesion between the iris and the lens


hemochromatosis: pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints


iron-storage disease: pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints


iron overload: pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints


bronzed diabetes: pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints


classic hemochromatosis: inherited form of hemochromatosis


idiopathic hemochromatosis: inherited form of hemochromatosis


acquired hemochromatosis: hemochromatosis resulting from repeated transfusions or from excessive intake of foods containing iron


infarct: localized necrosis resulting from obstruction of the blood supply


infarction: localized necrosis resulting from obstruction of the blood supply


macrocytosis: the presence of macrocytes in the blood


fibrosis: development of excess fibrous connective tissue in an organ


myelofibrosis: fibrosis of the bone marrow


malacia: a state of abnormal softening of tissue


osteomalacia: abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D


mastopathy: any pathology of the breast


mazopathy: any pathology of the breast


neuropathy: any pathology of the peripheral nerves


Charcot-Marie-Tooth disease: a form of neuropathy that can begin between childhood and young adulthood; characterized by weakness and atrophy of the muscles of the hands and lower legs; progression is slow and individuals affected can have a normal life span; inheritance is X-linked recessive or X-linked dominant


hereditary motor and sensory neuropathy: a form of neuropathy that can begin between childhood and young adulthood; characterized by weakness and atrophy of the muscles of the hands and lower legs; progression is slow and individuals affected can have a normal life span; inheritance is X-linked recessive or X-linked dominant


mononeuropathy: any neuropathy of a single nerve trunk


multiple mononeuropathy: pathology of several individual nerve trunks


myopathy: any pathology of the muscles that is not attributable to nerve dysfunction


dermatomyositis: myositis characterized by weakness of limb and neck muscles and much muscle pain and swelling accompanied by skin rash affecting cheeks and eyelids and neck and chest and limbs; progression and severity vary among individuals


polymyositis: myositis characterized by weakness of limb and neck muscles and much muscle pain and swelling; progression and severity vary among individuals


inclusion body myositis: myositis characterized by weakness of limb muscles (especially the thighs and wrists and fingers); sometimes involves swallowing muscles; onset after 50 and slowly progressive; seen more often in men than in women


osteopetrosis: an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated


Albers-Schonberg disease: an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated


marble bones disease: an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated


osteoporosis: abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women


priapism: condition in which the penis is continually erect; usually painful and seldom with sexual arousal


demineralization: abnormal loss of mineral salts (especially from bone)


demineralisation: abnormal loss of mineral salts (especially from bone)


pyorrhea: discharge of pus


pyorrhoea: discharge of pus


uremia: accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine


uraemia: accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine


azotemia: accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine


azotaemia: accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine


azoturia: excess of urea in the urine


lesion: any localized abnormal structural change in a bodily part


tubercle: a swelling that is the characteristic lesion of tuberculosis


ulcer: a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue


ulceration: a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue


aphthous ulcer: a blister on the mucous membranes of the lips or mouth or gastrointestinal tract


bedsore: a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients)


pressure sore: a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients)


decubitus ulcer: a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients)


chancroid: infectious venereal ulcer


peptic ulcer: an ulcer of the mucous membrane lining of the alimentary tract


peptic ulceration: an ulcer of the mucous membrane lining of the alimentary tract


duodenal ulcer: a peptic ulcer of the duodenum


gastric ulcer: a peptic ulcer of the stomach


canker: an ulceration (especially of the lips or lining of the mouth)


canker sore: an ulceration (especially of the lips or lining of the mouth)


noli-me-tangere: a cancerous ulcer of soft tissue and bone


noma: acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children


affliction: a condition of suffering or distress due to ill health


curvature: (medicine) a curving or bending; often abnormal


deformity: an affliction in which some part of the body is misshapen or malformed


malformation: an affliction in which some part of the body is misshapen or malformed


misshapenness: an affliction in which some part of the body is misshapen or malformed


Arnold-Chiari deformity: deformity in which part of the brain protrudes through the skull


clawfoot: a deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a claw


pes cavus: a deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a claw


cleft foot: a deformity in which the space between the third and fourth toes extends up into the foot


cleft lip: a congenital cleft in the middle of the upper lip


harelip: a congenital cleft in the middle of the upper lip


cheiloschisis: a congenital cleft in the middle of the upper lip


cleft palate: a congenital fissure of the hard palate


clubfoot: congenital deformity of the foot usually marked by a curled shape or twisted position of the ankle and heel and toes


talipes: congenital deformity of the foot usually marked by a curled shape or twisted position of the ankle and heel and toes


talipes valgus: deformity of the foot in which the foot is twisted outward


talipes equinus: talipes in which the toes are pointed downward


talipes calcaneus: talipes in which the toes are pointed upward and the person walks on the heel of the foot


pigeon breast: abnormal protrusion of the breastbone caused by rickets


chicken breast: abnormal protrusion of the breastbone caused by rickets


blight: any plant disease resulting in withering without rotting


alder blight: a disease of alders caused by the woolly alder aphid (a plant louse)


apple blight: a disease of apple trees


apple canker: a disease of apple trees


beet blight: a disease of beet plants


blister blight: a disease of tea plants


blister blight: a disease of Scotch pines


cane blight: a disease affecting the canes of various bush fruits (e.g., raspberries or currants)


celery blight: a fungous leaf spot disease of the celery plant


chestnut blight: a disease of American chestnut trees


chestnut canker: a disease of American chestnut trees


chestnut-bark disease: a disease of American chestnut trees


coffee blight: a blight affecting the coffee plant


collar blight: a disease affecting the trunks of pear and apple trees


fire blight: a disease blackening the leaves of pear and apple trees


pear blight: a disease blackening the leaves of pear and apple trees


blight canker: a phase of fire blight in which cankers appear


halo blight: a blight of bean plants


halo spot: a blight of bean plants


bean blight: a blight of bean plants


halo blight: a blight affecting the leaves of oats and other grasses


head blight: a blight of the heads of cereals


wheat scab: a disease of the heads of wheat plants


late blight: blight in which symptoms appear late in the growing season especially a disease of solanaceous plants caused by the fungus Phytophthora infestans


leaf blight: any blight causing a browning and falling of the leaves of a plant


leaf disease: any plant disease localized in the foliage


needle blight: a disease of conifers causing the needles to fall


needle cast: a disease of conifers causing the needles to fall


leaf cast: a disease of conifers causing the needles to fall


oak blight: a black plant louse that lives on oaks and dogwoods


peach blight: a disease of trees bearing drupes


potato blight: a blight of potatoes


potato mold: a blight of potatoes


potato disease: a blight of potatoes


potato mildew: a blight of potatoes


potato murrain: a blight of potatoes


rim blight: a disease of tea plants


spinach blight: a disease of spinach plants


spur blight: a disease of raspberries


stem blight: a fungous blight attacking the stems of plants


stripe blight: a disease of oats


thread blight: a disease of tropical woody plants (cacao or tea or citrus)


tomato blight: a disease of tomato plants


tomato yellows: a disease of tomato plants


twig blight: a disease of the ends of twigs of woody plants


walnut blight: a disease of English walnut trees


sandfly fever: a mild viral disease transmitted by the bite of the sand fly Phlebotomus papatasii


pappataci fever: a mild viral disease transmitted by the bite of the sand fly Phlebotomus papatasii


phlebotomus: a mild viral disease transmitted by the bite of the sand fly Phlebotomus papatasii


skin disease: a disease affecting the skin


disease of the skin: a disease affecting the skin


skin disorder: a disease affecting the skin


lupus vulgaris: tuberculosis of the skin; appears first on the face and heals slowly leaving deep scars


ankylosing spondylitis: a chronic form of spondylitis primarily in males and marked by impaired mobility of the spine; sometimes leads to ankylosis


Marie-Strumpell disease: a chronic form of spondylitis primarily in males and marked by impaired mobility of the spine; sometimes leads to ankylosis


rheumatoid spondylitis: a chronic form of spondylitis primarily in males and marked by impaired mobility of the spine; sometimes leads to ankylosis


discoid lupus erythematosus: a chronic skin disease occurring primarily in women between the ages of 20 and 40; characterized by an eruption of red lesions over the cheeks and bridge of the nose


DLE: a chronic skin disease occurring primarily in women between the ages of 20 and 40; characterized by an eruption of red lesions over the cheeks and bridge of the nose


Hashimoto's disease: autoimmune disorder of the thyroid gland; most common in middle-aged women


lupus erythematosus: a chronic inflammatory collagen disease affecting connective tissue (skin or joints)


LE: a chronic inflammatory collagen disease affecting connective tissue (skin or joints)


systemic lupus erythematosus: an inflammatory disease of connective tissue with variable features including fever and weakness and fatigability and joint pains and skin lesions on the face or neck or arms


SLE: an inflammatory disease of connective tissue with variable features including fever and weakness and fatigability and joint pains and skin lesions on the face or neck or arms


disseminated lupus erythematosus: an inflammatory disease of connective tissue with variable features including fever and weakness and fatigability and joint pains and skin lesions on the face or neck or arms


acantholysis: a breakdown of a cell layer in the epidermis (as in pemphigus)


acanthosis: an abnormal but benign thickening of the prickle-cell layer of the skin (as in psoriasis)


acanthosis nigricans: a skin disease characterized by dark wartlike patches in the body folds; can be benign or malignant


keratosis nigricans: a skin disease characterized by dark wartlike patches in the body folds; can be benign or malignant


acne: an inflammatory disease involving the sebaceous glands of the skin; characterized by papules or pustules or comedones


acne rosacea: a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance


rosacea: a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance


acne vulgaris: the most common form of acne; usually affects people from puberty to young adulthood


actinic dermatitis: dermatitis caused exposure to sunlight


atopic dermatitis: a severe form of dermatitis characterized by atopy


atopic eczema: a severe form of dermatitis characterized by atopy


bubble gum dermatitis: an allergic contact dermatitis developed around the lips of children who chew bubble gum


contact dermatitis: a delayed type of allergic reaction of the skin resulting from skin contact with a specific allergen (such as poison ivy)


Rhus dermatitis: contact dermatitis resulting from contact with plants of the genus Toxicodendron


poison ivy: dermatitis resulting from contact with the poison ivy plant


poison oak: dermatitis resulting from contact with a poison oak plant


poison sumac: dermatitis resulting from contact with a poison sumac plant


cradle cap: a dermatitis of the scalp that is common in infants


diaper rash: dermatitis of the thighs and buttocks of infants; supposedly caused by ammonia in the urine in the child's diapers


diaper dermatitis: dermatitis of the thighs and buttocks of infants; supposedly caused by ammonia in the urine in the child's diapers


hypericism: a severe dermatitis of herbivorous domestic animals attributable to photosensitivity from eating Saint John's wort


neurodermatitis: dermatitis in which localized areas (especially the forearms or back of the neck or outer part of the ankle) itch persistently; cause is unknown


schistosome dermatitis: a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes


swimmer's itch: a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes


dermatitis: inflammation of the skin; skin becomes itchy and may develop blisters


dermatosis: disorder involving lesions or eruptions of the skin (in which there is usually no inflammation)


baker's eczema: allergic eczema caused by flour or other ingredients handled by bakers


allergic eczema: eczema caused by an allergic reaction


eczema herpeticum: eczema characterized by a feverish condition and widespread eruption of vesicles; most common in children


eczema vaccinatum: a now rare complication of vaccinia superimposed on atopic dermatitis with high fever and generalized vesicles and papulovesicles


Kaposi's varicelliform eruption: a now rare complication of vaccinia superimposed on atopic dermatitis with high fever and generalized vesicles and papulovesicles


lichtenoid eczema: eczema characterized by thickening of the skin with accentuated skin lines


chronic eczema: eczema characterized by thickening of the skin with accentuated skin lines


eczema hypertrophicum: eczema characterized by thickening of the skin with accentuated skin lines


eczema: generic term for inflammatory conditions of the skin; particularly with vesiculation in the acute stages


erythema: abnormal redness of the skin resulting from dilation of blood vessels (as in sunburn or inflammation)


erythema multiforme: a red rash caused by hypersensitivity to a drug or disease or other allergen


erythema nodosum: skin condition characterized by tender red nodules on the shins and legs


hickey: a temporary red mark on a person's skin resulting from kissing or sucking by their lover


love bite: a temporary red mark on a person's skin resulting from kissing or sucking by their lover


erythema nodosum leprosum: an inflammatory complication of leprosy that results in painful skin lesions on the arms and legs and face


ENL: an inflammatory complication of leprosy that results in painful skin lesions on the arms and legs and face


erythroderma: any skin disorder involving abnormal redness


flare: reddening of the skin spreading outward from a focus of infection or irritation


furunculosis: acute skin disease characterized by the presence of many furuncles


impetigo: a very contagious infection of the skin; common in children; localized redness develops into small blisters that gradually crust and erode


jungle rot: skin disorder induced by a tropical climate


keratoderma: any skin disorder consisting of a growth that appears horny


keratodermia: any skin disorder consisting of a growth that appears horny


keratonosis: any abnormal condition of the outer skin (epidermis)


keratosis: a skin condition marked by an overgrowth of layers of horny skin


actinic keratosis: an overgrowth of skin layers resulting from extended exposure to the sun


keratosis blennorrhagica: skin disease characterized by a scaly rash on the palms and soles; associated with Reiter's syndrome


keratoderma blennorrhagica: skin disease characterized by a scaly rash on the palms and soles; associated with Reiter's syndrome


keratosis follicularis: a rare hereditary condition marked by dark crusted patches (sometimes containing pus)


Darier's disease: a rare hereditary condition marked by dark crusted patches (sometimes containing pus)


keratosis pilaris: keratosis characterized by hard conical elevations in the openings of sebaceous glands (especially of arms and thighs)


seborrheic keratosis: a skin condition characterized by circumscribed wartlike lesions that can be itchy and covered with a greasy crust


leukoderma: a congenital skin condition characterized by spots or bands of unpigmented skin


lichen: any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks


lichen planus: an eruption of shiny flat-topped purplish (usually itchy) papules on the wrist and forearms and thighs


lichen ruber planus: an eruption of shiny flat-topped purplish (usually itchy) papules on the wrist and forearms and thighs


livedo: skin disorder characterized by patchy bluish discolorations on the skin


lupus: any of several forms of ulcerative skin disease


melanosis: a condition characterized by abnormal deposits of melanin (especially in the skin)


melanism: a condition characterized by abnormal deposits of melanin (especially in the skin)


molluscum: any skin disease characterized by soft pulpy nodules


molluscum contagiosum: a virus disease of the skin marked by round white swellings; transmitted from person to person (most often in children or in adults with impaired immune function)


necrobiosis lipoidica: skin disease marked by thin shiny patches (especially on the legs); often associated with diabetes mellitus


necrobiosis lipoidica diabeticorum: skin disease marked by thin shiny patches (especially on the legs); often associated with diabetes mellitus


pemphigus: a skin disease characterized by large thin-walled blisters (bullae) arising from normal skin or mucous membrane


pityriasis: any of several skin disorders characterized by shedding dry flakes of skin


dandruff: a condition in which white scales of dead skin are shed by the scalp


pityriasis alba: common form of pityriasis (usually in children or young adults) characterized by round patches of depigmentation


pityriasis rosea: pityriasis in which an itchy rash develops over the trunk and extremities


prurigo: chronic inflammatory disease of the skin characterized by blister capped papules and intense itching


psoriasis: a chronic skin disease characterized by dry red patches covered with scales; occurs especially on the scalp and ears and genitalia and the skin over bony prominences


rhagades: cracks or fissures in the skin (especially around the mouth or anus)


Saint Anthony's fire: any of several inflammatory or gangrenous skin conditions


erysipelas: an acute streptococcal infection characterized by deep-red inflammation of the skin and mucous membranes


scleredema: a skin disease marked by hard edema of the tissue usually beginning in the face


seborrhea: a condition in which overactivity of the sebaceous glands causes the skin to become oily


seborrheic dermatitis: a chronic skin disease associated with seborrhea and greasy scales on the scalp or eyelids or other parts of the skin


seborrheic eczema: a chronic skin disease associated with seborrhea and greasy scales on the scalp or eyelids or other parts of the skin


vitiligo: an acquired skin disease characterized by patches of unpigmented skin (often surrounded by a heavily pigmented border)


xanthelasma: xanthoma of the eyelids; occurs chiefly in the elderly


xanthoma: a skin problem marked by the development (on the eyelids and neck and back) of irregular yellow nodules; sometimes attributable to disturbances of cholesterol metabolism


xanthoma disseminatum: rare chronic xanthoma of adults in which orange or brownish papules develop on many surfaces of the body


xanthomatosis: widespread xanthomas (especially on elbows and knees); often associated with a disorder of lipid metabolism


xanthoma multiplex: widespread xanthomas (especially on elbows and knees); often associated with a disorder of lipid metabolism


cholesterosis cutis: widespread xanthomas (especially on elbows and knees); often associated with a disorder of lipid metabolism


lipid granulomatosis: widespread xanthomas (especially on elbows and knees); often associated with a disorder of lipid metabolism


lipoid granulomatosis: widespread xanthomas (especially on elbows and knees); often associated with a disorder of lipid metabolism


xanthosis: an abnormal yellow discoloration of the skin


growth: (pathology) an abnormal proliferation of tissue (as in a tumor)


exostosis: a benign outgrowth from a bone (usually covered with cartilage)


polyp: a small vascular growth on the surface of a mucous membrane


polypus: a small vascular growth on the surface of a mucous membrane


adenomatous polyp: a polyp that consists of benign neoplastic tissue derived from glandular epithelium


sessile polyp: a relatively flat polyp


pedunculated polyp: a polyp with a stalk or peduncle


peduncle: the thin process of tissue that attaches a polyp to the body


tumor: an abnormal new mass of tissue that serves no purpose


tumour: an abnormal new mass of tissue that serves no purpose


neoplasm: an abnormal new mass of tissue that serves no purpose


acanthoma: a neoplasm originating in the epidermis


skin tumor: a neoplasm originating in the epidermis


adenoma: a benign epithelial tumor of glandular origin


angioma: a tumor consisting of a mass of blood or lymphatic vessels


chondroma: a common benign tumor of cartilage cells


benign tumor: a tumor that is not cancerous


benign tumour: a tumor that is not cancerous


nonmalignant tumor: a tumor that is not cancerous


nonmalignant tumour: a tumor that is not cancerous


nonmalignant neoplasm: a tumor that is not cancerous


blastoma: a tumor composed of immature undifferentiated cells


blastocytoma: a tumor composed of immature undifferentiated cells


embryonal carcinosarcoma: a tumor composed of immature undifferentiated cells


brain tumor: a tumor in the brain


brain tumour: a tumor in the brain


glioblastoma: a fast-growing malignant brain tumor composed of spongioblasts; nearly always fatal


spongioblastoma: a fast-growing malignant brain tumor composed of spongioblasts; nearly always fatal


glioma: a tumor of the brain consisting of neuroglia


carcinoid: a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin


carcinosarcoma: a malignant neoplasm composed of carcinoma and sarcoma extensively intermixed


celioma: an abdominal tumor


malignancy: (medicine) a malignant state; progressive and resistant to treatment and tending to cause death


malignance: (medicine) a malignant state; progressive and resistant to treatment and tending to cause death


granulation: new connective tissue and tiny blood vessels that form on the surfaces of a wound during the healing process


granulation tissue: new connective tissue and tiny blood vessels that form on the surfaces of a wound during the healing process


enchondroma: benign slow-growing tumor of cartilaginous cells at the ends of tubular bones (especially in the hands and feet)


fibroadenoma: benign and movable and firm and not tender tumor of the breast; common in young women and caused by high levels of estrogen


fibroid tumor: benign tumor containing fibrous tissue (especially in the uterus)


fibroid: benign tumor containing fibrous tissue (especially in the uterus)


fibroma: nonmalignant tumor of connective tissue


granuloma: a tumor composed of granulation tissue resulting from injury or inflammation or infection


gumma: a small rubbery granuloma that is characteristic of an advanced stage of syphilis


hamartoma: a focal growth that resembles a neoplasm but results from faulty development in an organ


keratoacanthoma: skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar


lipoma: a tumor consisting of fatty tissue


adipose tumor: a tumor consisting of fatty tissue


malignant tumor: a tumor that is malignant and tends to spread to other parts of the body


malignant neoplasm: a tumor that is malignant and tends to spread to other parts of the body


metastatic tumor: a tumor that is malignant and tends to spread to other parts of the body


meningioma: a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant


cancer: any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream