V2EX nitric oxide

Nitric Oxide

Definition / 定义

nitric oxide(NO):一氧化氮。由一个氮原子和一个氧原子组成的无色气体,在人体内是一种重要的信号分子,常见作用包括扩张血管、调节免疫反应、参与神经传递等;在化学与环境领域也与燃烧、空气污染(氮氧化物)相关。(该词在不同学科中侧重点不同。)

Pronunciation / 发音

/natrk ksad/

Examples / 例句

Nitric oxide helps blood vessels relax.
一氧化氮帮助血管放松(舒张)。

Researchers found that nitric oxide plays a key role in regulating blood pressure and inflammation.
研究人员发现,一氧化氮在调节血压和炎症方面起着关键作用。

Etymology / 词源

nitric 来自拉丁语 nitrum(天然碱、硝盐)并经由“硝/硝酸”相关的化学命名体系发展而来;oxide 来自希腊语词根,指“与氧结合形成的化合物”。因此 nitric oxide 字面意思是“与硝/硝酸体系相关的氧化物”,在现代化学中对应化学式 NO(一氧化氮)。

Related Words / 相关词

Literary Works / 文学作品

  • 《Nobel Lectures in Physiology or Medicine(诺贝尔生理学或医学奖演讲集)》:与“一氧化氮作为信号分子”相关的经典论述常在此类演讲集中出现。
  • 《Guyton and Hall Textbook of Medical Physiology(盖顿与霍尔:医学生理学)》:在心血管调节章节中常讨论一氧化氮与血管舒张、血压调控的关系。
  • 《Robbins and Cotran Pathologic Basis of Disease(罗宾斯-科特兰:疾病的病理学基础)》:在炎症与免疫相关章节中常涉及一氧化氮在免疫反应中的作用。
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