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.
References in periodicals archive ?
The autofluorescent age pigment lipofuscin: key to age, growth and productivity of the Antarctic amphipod Waldeckia obesa (Chevreux, 1905).
Like all animals, as the krill get older, their cell membranes begin to break down and fatty deposits called "lipofuscins", or age pigments, accumulate in their cells,' McGaffin says.