Lead flashing was commonly used on chimneys, around other roof penetrations such as vent pipes, and roof junctions, such as valleys. It is still used for this, but is less common because of its cost, and the availability of alternatives. Modern alternatives: pvc, butyl rubber etc. are often less durable.
Granulocytes, specifically neutrophils, help the body fight bacterial infections. The number of granulocytes in the body usually increases when there is a serious infection. People with a lower number of granulocytes are more likely to develop bad infections more often.
Neutrophil. neutrophil. (Science: haematology) A granulocyte, a white blood cell. The chief phagocytic leukocyte; stains with either basic or acid dyes.A type of [[white blood cell which is most commonly found in the body which is formed in the bone marrow and is capable of [[phagocytosis. Please contribute to this project, if you have more information about this term feel free to edit this page.