Granulocyte

Granulocytes or granular leukocyte, or PMN' or polymorphonuclear leukocytes are a subset of leucocytes (white blood cells) which have granules with "enzymes that are released during infections, allergic reactions, and asthma". https://www.cancer.gov/publications/dictionaries/cancer-terms/def/granulocyte Basophils, neutrophils and eosinophils are all granulocytes.