Medical Definition of Neutrophil. Neutrophil: A type of white blood cell, a granulocyte that is filled with microscopic granules, little sacs containing enzymes that digest microorganisms. Also known as polymorphonuclear leukocyte or poly.
Definition of Neutropenia. Neutropenia: Not enough neutrophils, neutrophils being a type of white blood cell (specifically a form of granulocyte) filled with neutrally-staining granules, tiny sacs of enzymes that help the cell to kill and digest microorganisms it has engulfed by phagocytosis.
From Wikipedia, the free encyclopedia. Neutropenia or neutropaenia, from Latin prefix neutro- (neither, for neutral staining) and Greek suffix -ÏÎµÎ½Î¯Î± (-penia, penÃ­a), deficiency is a granulocyte disorder characterized by an abnormally low number of. neutrophils