MELANIN
\mˈɛlɐnˌɪn], \mˈɛlɐnˌɪn], \m_ˈɛ_l_ɐ_n_ˌɪ_n]\
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Pigments causing darkness in skin, hair, feathers, etc. They are irregular polymeric structures and are divided into three groups: allomelanins in the plant kingdom and eumelanins and phaeomelanins in the animal kingdom.
By DataStellar Co., Ltd
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Nitrogenous black pigment in epithelium, choroid, etc.
By William R. Warner
By Henderson, I. F.; Henderson, W. D.
By Willam Alexander Newman Dorland
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.