wear-and-tear pigment

Medical Dictionary

wear-and-tear pigment n.
Lipofuscin that accumulates in aging or atrophic cells as a residue of lysosomal digestion.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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