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单词 黑色素
释义 〔tyrosinase〕A copper-containing enzyme of plant and animal tissues that catalyzes the production of melanin and other pigments from tyrosine by oxidation, as in the blackening of a peeled or sliced potato exposed to air.酪氨酸酶:动植物组织中一种含铜的酶,用氧化的方式催化,从酪氨酸中产生黑色素或其它色素,如在削皮的或削成片的土豆暴露在空气里变黑的过程〔melanoma〕A dark-pigmented, usually malignant tumor arising from a melanocyte and occurring most commonly in the skin.黑瘤,黑素瘤:含有黑色素的,通常为恶性的肿瘤,由黑素细胞引起且最常见于皮肤中〔melanosis〕Abnormally dark pigmentation of the skin or other tissues, resulting from a disorder of pigment metabolism. Also called melanism 黑变病,黑素沉着病:因色素代谢失常而引起的皮肤或其他组织中黑色素沉积着的状况 也作 melanism〔melanism〕Dark coloration of the skin, hair, fur, or feathers because of a high concentration of melanin.黑色素沉着病:头发、皮肤、毛皮或羽毛因黑色素沉积而变黑〔tyrosine〕A white crystalline amino acid, C9H 11NO 3, that is derived from the hydrolysis of proteins such as casein and is a precursor of epinephrine, thyroxine, and melanin. 酪氨酸:一种白色晶体状氨基酸,C9H 11NO 3,从酪蛋白等蛋白质的水解中产生,是肾上腺素、甲状腺素、黑色素的母体 〔melanophore〕A pigment cell that contains melanin, especially as found in the skin of amphibians and reptiles.黑素细胞:含有黑色素的色素细胞,尤指两栖动物或者爬行动物皮肤中的黑色素细胞〔melanocyte〕An epidermal cell capable of synthesizing melanin.黑素细胞:能合成黑色素的表皮细胞〔pigment〕A substance, such as chlorophyll or melanin, that produces a characteristic color in plant or animal tissue.色素:在植物或动物组织中产生一种特定颜色的物质,如叶绿素或黑色素〔melanoid〕Of or related to melanin; black-pigmented.黑色素的:黑色素的,有关黑色素的;含有黑色色素的〔melanin〕Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.黑色素:天然黑色素,尤指皮肤、头发、毛皮及羽毛中的色素
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