Hemocyte, also known as hemolymph cells, are blood cells found in some invertebrates such as arthropods and mollusks. There are a variety of synonyms that can be used to describe these unique cells. For example, some may refer to hemocytes as simply blood cells or immune cells. Others may identify them as phagocytes, which are cells that engulf and destroy foreign particles, or as granulocytes, which are cells that contain granules. In some cases, hemocytes are also referred to as hemolymphocytes or hemocytes due to their presence in the invertebrate's hemolymph. Regardless of the specific term used, these cells play a crucial role in protecting invertebrates from infection and disease.