V2EX corneocyte

Corneocyte

释义 Definition(中文)

角质细胞(corneocyte):表皮最外层角质层(stratum corneum)中的终末分化细胞,通常无细胞核与细胞器,富含角蛋白,外有脂质结构包裹,主要作用是形成皮肤屏障、减少水分流失并抵御外界刺激与微生物。

发音 Pronunciation(IPA)

/krnisat/

例句 Examples(英/中)

Corneocytes form the outermost protective layer of the skin.
角质细胞构成皮肤最外层的保护屏障。

In atopic dermatitis, impaired corneocyte cohesion can increase transepidermal water loss and make the skin more vulnerable to irritants.
在特应性皮炎中,角质细胞之间的黏连受损可能会增加经皮水分流失,使皮肤更容易受到刺激物影响。

词源 Etymology(中文)

corneocyte 由 **corneo-**(与“角质/角化”相关,源自拉丁语 cornu “角”)+ -cyte(“细胞”,源自希腊语 kytos “容器/细胞”)构成,字面意思接近“角质(层)的细胞”。

相关词 Related Words

文学/著作中的用例 Notable Works(中文)

  • Rook’s Textbook of Dermatology(《鲁克皮肤病学》):在角质层结构与皮肤屏障章节中常用 corneocyte 描述角质细胞的形态与功能。
  • Fitzpatrick’s Dermatology(《菲茨帕特里克皮肤病学》):在特应性皮炎、角化异常与屏障功能相关内容中频繁出现该词。
  • Elias, P. M. 等关于角质层与皮肤屏障的经典综述/论文(皮肤生理与皮肤病学期刊中):常用 corneocyte 讨论角质细胞“砖块-砂浆”模型中的“砖块”部分。
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