Nikolas
Created page with "We’ve seen the haemoglobinogenic pigments, now it’s time to discuss the other endogenous pigments: lipofuscin, melanin and homogentisate. == Lipofuscin == We’ve met with lipofuscin before; it’s presence in normal in aged heart, liver and brain cells is physiological. The insoluble brownish-yellow “wear and tear” pigment is not dangerous to the cell but is a sign of earlier free radical injury. The lipofuscin itself is a complex of lipids and proteins. The l..."