lipofuscin

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Related to Age pigment: Ceroid

lipofuscin

[‚lip·ə′fyüs·ən]
(biochemistry)
Any of a group of lipid pigments found in cardiac and smooth muscle cells, in macrophages, and in parenchyma and interstitial cells; differential reactions include sudanophilia, Nile blue staining, fatty acid, glycol, and ethylene.