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pheomelanin

[ fee-oh-mel-uh-nin ]

noun

, Biochemistry.
  1. a melanin pigment produced in the presence of the amino acid cysteine and adding color to skin, hair, feathers, etc. Compare eumelanin ( def ), neuromelanin ( def ).

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Word History and Origins

Origin of pheomelanin1

First recorded in 1920–25; pheo- (from Greek phaiós “gray”) + melanin ( def )

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pheochromocytomapheon

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