Definition of Histiocyte
Histiocyte: A type of white blood cell, also called a macrophage, that is created by the bone marrow. They usually stay in place, but when histiocytes are stimulated by infection or inflammation they become active, attacking bacteria and other foreign matter in the body.
See also histiocytosis.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 5/13/2016