granulocyte A type of leukocyte (white blood cell) that possesses granules in its cytoplasm and is formed in the bone marrow. Granulocytes form about 70% of all leucocytes. They come in three varieties: neutrophils, eosinophils, and basophils. Related category • CELL BIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |