lipofuscin

lipofuscin [lip-uh-fuhs-in, lahy-puh-] Word Origin noun Biochemistry.

1. any of several brown pigments similar to melanin that accumulate in animal cells with age and are products of oxidation of lipids and lipoproteins.

Origin of lipofuscin 1920–25; German, equivalent to lipo- lipo-1 + Latin fusc(us) dark, tawny + German -in -in2 lipofuscin in Medicine lipofuscin [lĭp′ō-fŭs′ĭn, -fyōō′sĭn] n.

1. Brown pigment granules representing lipid-containing residues of lysosomal digestion.