V2EX gas exchange

Gas Exchange

释义 Definition

气体交换:指生物体(如人、动物、植物)与外界环境之间交换氧气(O)和二氧化碳(CO)的过程。在人类中主要发生在肺泡与毛细血管之间;在植物中多通过气孔进行。(在不同学科语境中也可泛指任何系统中的气体传递与交换。)

发音 Pronunciation (IPA)

/s kstend/

例句 Examples

Gas exchange happens in the lungs when you breathe.
呼吸时,气体交换在肺部发生。

Efficient gas exchange across the alveolar membrane depends on a large surface area and a short diffusion distance.
肺泡膜两侧的高效气体交换依赖于较大的表面积和较短的扩散距离。

词源 Etymology

gas 源自荷兰语/新拉丁语体系中对“气体”的称呼(17世纪由化学家范海尔蒙特推广),exchange 来自古法语 eschangier,意为“交换、互换”。合在一起直译为“气体的交换”,在生理学与生态学语境中被固定用来描述氧与二氧化碳等气体的互换过程。

相关词 Related Words

文学作品与著名文本 Literary Works

  • 《The Origin of Species》(Charles Darwin):在讨论生理适应与生命过程时涉及呼吸与气体交换相关概念。
  • 《On the Origin of Species》与达尔文其他著作的生理学论述部分(常以“respiration / exchange of gases”等表述出现,与“gas exchange”同一概念范畴)。
  • 《The Double Helix》(James D. Watson):在描述实验生物学与生理背景知识时,常出现与呼吸、扩散等相关的术语体系(概念上与“gas exchange”同领域)。
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