V2EX keratinous

Keratinous

释义 Definition

Keratinous(形容词)由角蛋白(keratin)构成的;角质的。常用于描述头发、指甲、羽毛、角、蹄、皮肤表层等由角蛋白形成的结构(偏生物学/医学用语)。

发音 Pronunciation

/krtns/

例句 Examples

Keratinous tissue forms the outer layer of nails.
角质组织构成了指甲的外层。

Birds’ beaks are covered by a keratinous sheath that protects the underlying bone and helps them feed efficiently.
鸟类的喙外覆盖着一层角质鞘,它能保护下方的骨质,并帮助它们更高效地取食。

词源 Etymology

keratinous = keratin(角蛋白)+ -ous(“具有……性质的”形容词后缀)
Keratin 源自希腊语 keras(κρα,“角/角状物”),因此该词带有“像角一样的、由角质蛋白构成的”语感。

相关词 Related Words

文学与典籍 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):常用于描述皮肤附属器(毛发、指(趾)甲)等角蛋白结构
  • Campbell Biology(《坎贝尔生物学》):在动物体表结构与蛋白质材料特性相关章节中常见
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯病理学》):涉及皮肤角化/角蛋白相关病变时常用
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