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

Medical Definition

eumelanin

noun

eu·mel·a·nin (ˈ)yü-ˈme-lə-nən How to pronounce eumelanin (audio)

: a brown to black pigment that is the most common form of melanin

Note: Epidermal eumelanin helps to protect against damage from ultraviolet radiation by scattering and absorbing radiation reducing its penetration through the skin.

The more eumelanin (brown pigment) you have, the darker your skin color …

Scientific American

Research shows that black hair contains about 99 percent eumelanin, brown and blond hair 95 percent eumelanin, and red hair 67 percent eumelanin.

Kathy Wollard, Newsday

The marked spectrum of color and diversity of patterns that we are in mammals arises, unexpectedly, from variation in the quantity, quality, and regional distribution of just two types of pigment—black eumelanin and yellow pheomelanin.

Sophie I. Candille et al., Science

compare neuromelanin, pheomelanin

单词	eumelanin
释义	eumelanin noun eu·mel·a·nin (ˈ)yü-ˈme-lə-nən plural eumelanins : a brown to black pigment that is the most common form of melanin and whose functions include protecting the epidermis against damage from ultraviolet radiation Although we can temporarily raise the amount of eumelanin in our skin by tanning, the baseline amount is controlled by our genes. Neil Singh If eumelanin was the hadrosaur's only pigment, it would have had grey skin like that of a rhinoceros or an elephant. Michael Marshall Research shows that black hair contains about 99 percent eumelanin, brown and blond hair 95 percent eumelanin, and red hair 67 percent eumelanin. Kathy Wollard compare neuromelanin, pheomelanin Word History Etymology eu- + melanin First Known Use 1924, in the meaning defined above Medical Definition eumelanin noun eu·mel·a·nin (ˈ)yü-ˈme-lə-nən : a brown to black pigment that is the most common form of melanin Note: Epidermal eumelanin helps to protect against damage from ultraviolet radiation by scattering and absorbing radiation reducing its penetration through the skin. The more eumelanin (brown pigment) you have, the darker your skin color … Scientific American Research shows that black hair contains about 99 percent eumelanin, brown and blond hair 95 percent eumelanin, and red hair 67 percent eumelanin. Kathy Wollard, Newsday The marked spectrum of color and diversity of patterns that we are in mammals arises, unexpectedly, from variation in the quantity, quality, and regional distribution of just two types of pigment—black eumelanin and yellow pheomelanin. Sophie I. Candille et al., Science compare neuromelanin, pheomelanin
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eumelanin

noun

Word History

Medical Definition

noun