V2EX eumelanin

Eumelanin

释义 Definition

真黑素:一种主要呈棕色到黑色的黑色素聚合物,是人体皮肤、头发、虹膜等颜色的重要来源之一;相较于另一类黑色素褐黑素(pheomelanin),真黑素通常具有更强的吸收紫外线与光保护作用。(该词也可泛指动物羽毛、皮毛中的黑褐色色素。)

发音 Pronunciation (IPA)

/jumlnn/

例句 Examples

Eumelanin gives hair its dark color.
真黑素让头发呈现深色。

People with higher eumelanin levels in their skin generally have more natural protection against UV damage, though sunscreen is still necessary.
皮肤中真黑素含量较高的人通常对紫外线伤害有更多天然防护,但仍然需要使用防晒霜。

词源 Etymology

eu- 源自希腊语,意为“真、好”;melanin 来自希腊语 melas(“”)。合起来 eumelanin 字面意思是“真正/典型的黑色素”,用来区分另一种偏红黄的黑色素(pheomelanin)。

相关词 Related Words

文学与著作出处 Literary Works

  • Fitzpatrick’s Dermatology in General Medicine(皮肤科经典教材,常讨论真黑素/褐黑素与肤色、光防护的关系)
  • The Pigmentary System: Physiology and Pathophysiology(色素系统专著,系统介绍包括真黑素在内的色素生物学)
  • Robbins and Cotran Pathologic Basis of Disease(病理学权威教材,涉及黑色素与相关病理表现时常出现该术语)
  • Stryer’s Biochemistry(生物化学教材,在讲解酪氨酸代谢与黑色素生成时可能出现该词)
关于     帮助文档     自助推广系统     博客     API     FAQ     Solana     2444 人在线   最高记录 6679       Select Language
创意工作者们的社区
World is powered by solitude
VERSION: 3.9.8.5 6ms UTC 10:47 PVG 18:47 LAX 03:47 JFK 06:47
Do have faith in what you're doing.
ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86