V2EX cloacal

Cloacal

Definition / 释义

形容词:与泄殖腔(cloaca)有关的;(鸟类、爬行动物、两栖动物等)与排泄、生殖共用开口/腔室有关的。也可引申为与“下水道、污秽之处”(源义)相关的,但此用法较少见、偏文学或修辞。

Pronunciation / 发音(IPA)

/kloekl/

Examples / 例句

Many birds have a cloacal opening instead of separate ones for waste and reproduction.
许多鸟类有泄殖腔开口,而不是分别用于排泄和生殖的独立开口。

During dissection, the researcher noted cloacal glands and described their role in chemical signaling.
在解剖过程中,研究者观察到泄殖腔腺体,并描述了它们在化学信号传递中的作用。

Etymology / 词源

cloacal 来自 cloaca(泄殖腔/下水道)+ -al(“……的”)。
cloaca 源于拉丁语,原意是“下水道、排污渠”,后来在生物学中被借用来指鸟类、爬行动物等体内消化道、泌尿道与生殖道的共同腔室与开口,因此 cloacal 就表示“与泄殖腔有关的”。

Related Words / 相关词

Literary Works / 文学与作品中的用例

  • Charles Darwin, The Descent of Man, and Selection in Relation to Sex(涉及动物解剖与比较生物学语境中可见相关术语)
  • Charles Darwin, The Variation of Animals and Plants under Domestication(动物形态与繁殖结构讨论中可能出现相关表达)
  • Thomas H. Huxley, An Introduction to the Classification of Animals(动物分类与解剖学传统著作中常见此类术语)
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