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 granulocytes. A granulocyte is a type of white blood cell. Also called granular leukocyte, PMN, and polymorphonuclear leukocyte.
Source: NCI Dictionary of Cancer Terms
Caption: Blood cell development. A blood stem cell goes through several steps to become a red blood cell, platelet, or white blood cell.Date last modified: 2014-10-28