英语词汇“melanin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

melanin

/ˈmɛlənɪn

noun [mass noun]

A dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.The body normally converts the amino acid tyrosine into the pigment melanin....

One theory focuses on the fact that people with red hair have a different type of melanin (a skin pigment) than people with dark hair.
The melanosomes convert tyrosine to melanin, giving skin its color.

Origin

Mid 19th century: from Greek melas, melan- 'black' + -in¹.

单词	melanin
释义	melanin /ˈmɛlənɪn / noun [mass noun] A dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.The body normally converts the amino acid tyrosine into the pigment melanin.... One theory focuses on the fact that people with red hair have a different type of melanin (a skin pigment) than people with dark hair. The melanosomes convert tyrosine to melanin, giving skin its color. Origin Mid 19th century: from Greek melas, melan- 'black' + -in¹.
随便看	non-decreasing nondeductible non-defining nondegradable non-degree non-delivery non-denominational non-denumerable non-denumerably non-derivatized nondescript nondescriptly nondescriptness non-destructive non-destructively nondeterminism nondeterministic nondigital non-dimensional non-directional non-directive non-disclosure non-disclosure agreement non-discrimination non-discriminatory