("Blood Cells" redirects here. For the journal formerly known as Blood Cells, see Blood Cells, Molecules and Diseases.)("Hemocyte" redirects here. For invertebrate immune system cells, see Hemocyte (invertebrate immune system cell).)
A blood cell, also called a haematopoietic cell, hemocyte, or hematocyte, is a cell produced through hematopoiesis and found mainly in the blood.