abstract:A coelomocyte (pronounced , ""), from the Ancient Greek koílōma, "cavity" or "hollow", and kýtos, "receptacle" or "container", is a phagocytic leukocyte that appears in the bodies of animals that have a coelom. In most, it attacks and digests invading organisms such as bacteria and viruses through encapsulation and phagocytosis, though in some animals (e.