V2EX excretion

Excretion

发音 Pronunciation

/kskrin/

释义 Definition

排泄;排泄物。指生物体将代谢废物排出体外的过程,也可以指被排出的废物本身。

例句 Examples

The excretion of waste products is essential for maintaining a healthy body.
排泄废物对维持身体健康至关重要。

Impaired renal excretion of sodium can lead to fluid retention and elevated blood pressure over time.
肾脏对钠的排泄功能受损会导致体液潴留,并随着时间推移引起血压升高。

词源 Etymology

该词源自拉丁语 excretio,由前缀 **ex-**(向外)和动词 cernere(分离、筛选)组成,过去分词形式为 excretus。字面意思是"将东西分离并排出"。该词经由法语进入英语,最早在17世纪用于医学和生物学领域,专指身体排出代谢废物的过程。

相关词汇 Related Words

文学作品引用 Literary References

  • 查尔斯达尔文在《物种起源》(On the Origin of Species)中讨论生物功能时多次涉及 excretion 的概念,将其作为生物体维持生命的基本过程之一。
  • 在医学经典著作威廉哈维的《论血液循环》(De Motu Cordis)中,excretion 被用于描述身体排出废物的生理机制。
  • 奥尔德斯赫胥黎在《美丽新世界》(Brave New World)中涉及人体生理功能的讨论时也使用了该词。
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