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Definition Return to top
A histiocyte is a type of immune cell that eats foreign substances in an effort to protect the body from infection.
Information Return to top
Histiocytes do not travel through the blood. Instead, they remain in one part of the body.
Histiocytes are found in many organs and tissues, including the following:
An abnormal number of histiocytes leads to a disease called histiocytosis X.Update Date: 5/13/2008 Updated by: David Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Stuart I. Henochowicz, MD, FACP, Associate Clinical Professor of Medicine, Division of Allergy, Immunology, and Rheumatology, Georgetown University Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.