Lipofuscin
Definition
Lipofuscin is a brownish pigment left over from the breakdown and absorption of damaged blood cells.
Lipofuscin is found in heart muscle and smooth muscles and is also called the aging pigment.
References
Kumar V, Abbas AK, Fausto N, Aster JC. Cellular responses to stress and toxic insults: Adaptation, injury, and death. In: Kumar V, Abbas AK, Fausto N, Aster JC, eds. Robbins and Cotran Pathologic Basis of Disease. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2009:chap 1.
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.


