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pigments. Any normal or abnormal colouring matter in plants, animals, or micro-organisms. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 3 October 2005, at 21:16.This page has been accessed 8,294 times.
Melanin pigment (light refracting granular materialâcenter of image) in a pigmented melanoma. Melanin /ËmÉlÉnÉªn/ (Greek: Î¼Î­Î»Î±Ï â melas, black, dark) is a broad term for a group of natural pigments found in most organisms (arachnids are one of the few groups in which it has not been detected). Melanin is produced by the oxidation of the amino acid tyrosine, followed by polymerization.