granular leukocyte

Definition / meaning of granular leukocyte

A type of immune cell that has granules (small particles) with enzymes that are released during infections, allergic reactions, and asthma. Neutrophils, eosinophils, and basophils are granular leukocytes. A granular leukocyte is a type of white blood cell. Also called granulocyte, PMN, and polymorphonuclear leukocyte.

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The Web site of the National Cancer Institute (http://www.cancer.gov/)

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