V2EX cloaca

Cloaca

释义 Definition

cloaca 是一个生物学和解剖学术语,指泄殖腔鸟类、爬行动物、两栖动物及部分鱼类体内的一个共同腔道,消化道、泌尿道和生殖道在此汇合,通过同一个开口排出体外。在古罗马语境中,也指下水道阴沟,尤其指古罗马著名的大下水道 Cloaca Maxima

发音 Pronunciation

/kloe.k/

词源 Etymology

源自拉丁语 cloāca,原义为"下水道、排污沟",与拉丁动词 cluere(冲洗、清洁)相关。古罗马最著名的排水工程 Cloaca Maxima(大下水道)即以此命名。后来该词被引入生物学,用于描述动物体内功能类似"排污通道"的泄殖腔结构。

例句 Examples

Birds, reptiles, and amphibians all have a cloaca, a single opening for excretion and reproduction.
鸟类、爬行动物和两栖动物都有泄殖腔一个兼具排泄和生殖功能的共同开口。

The ancient Romans engineered the Cloaca Maxima to drain marshland and carry waste from the city into the Tiber River, a feat of urban planning that still inspires admiration today.
古罗马人建造了大下水道(Cloaca Maxima),用于排干沼泽并将城市物排入台伯河,这一城市规划壮举至今仍令人赞叹。

相关词汇 Related Words

文学作品引用 Literary References

  • 托马斯布朗爵士(Sir Thomas Browne)在其博物学著作 Pseudodoxia Epidemica(1646)中讨论动物解剖结构时使用了 cloaca 一词,探讨了鸟类排泄与生殖的共用通道。
  • 詹姆斯乔伊斯(James Joyce)的 Ulysses(《尤利西斯》,1922)中以隐喻方式借用了该词的古罗马"下水道"含义,描绘都柏林城市的污秽与混乱。
  • 在普林尼(Pliny the Elder)的 Naturalis Historia(《博物志》)中,Cloaca Maxima 被详细记载为古罗马最伟大的工程成就之一。
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