Medical Definition of IMMUNOASSAY. : a technique or test (as the enzyme-linked immunosorbent assay) used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen or antibody.â immunoassay transitive verb. â imÂ·muÂ·noÂ·asÂ·sayÂ·able \-a-ËsÄ-É-bÉl\ adjective.efinition of IMMUNOASSAY. : a technique or test used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen. â imÂ·muÂ·noÂ·asÂ·sayÂ·able \-a-ËsÄ-É-bÉl\ adjective. ADVERTISEMENT. noun imÂ·muÂ·noÂ·asÂ·say \Ëim-yÉ-nÅ-Ëas-ËÄ, im-Ëyue-ËyÃ¼-, -nÅ-a\. ËsÄ
Signs and symptoms of Parkinson's disease. Signs and symptoms of Parkinson's disease are varied. Parkinson's disease affects movement, producing motor symptoms. Non-motor symptoms, which include dysautonomia, cognitive and neurobehavioral problems, and sensory and sleep difficulties, are also common. When other diseases mimic Parkinson's disease they are categorized as Parkinsonism.
Parkinson's disease is a disorder of the central nervous system that causes a loss of cells in the part of the brain that controls movement. People with Parkinsonâs disease experience a range of symptoms, including tremor (shaking), rigidity (stiffness), slowness of movement, and problems with balance and coordination.