V2EX nitric-oxide

Nitric Oxide

Definition 释义

一氧化氮(化学式 NO):一种无色气体,属于活性较高的信号分子;在人体内可由细胞产生,参与血管舒张、神经传递与免疫反应等过程。也常指环境与工业中的一种氮氧化物污染物。(该词在不同语境下可偏向“生理信号分子”或“空气污染物”两类含义。)

Pronunciation 发音(IPA)

/natrk ksad/(美式)
/natrk ksad/(英式)

Examples 例句

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

Researchers found that nitric oxide acts as a signaling molecule that can influence inflammation and blood pressure.
研究人员发现,一氧化氮作为信号分子会影响炎症反应和血压。

Etymology 词源

nitric 来自拉丁语 nitrum(天然碱/硝石)相关词根,加形容词后缀 -ic,表示“与硝/氮酸相关的”。oxide 来自 oxygen(氧)与化学后缀 -ide(表示二元化合物),合起来指“氧化物”。“nitric oxide”字面即“含氮的氧化物”,在化学上通常特指 NO(一氧化氮)

Related Words 相关词汇

Notable Works 文学与著作

  • Molecular Biology of the Cell(Alberts 等):在细胞信号传导章节讨论一氧化氮作为信号分子。
  • Guyton and Hall Textbook of Medical Physiology(Guyton & Hall):在心血管生理中讲解一氧化氮与血管舒张的关系。
  • Campbell Biology(Urry 等):在生物化学/细胞通讯相关内容中提及一氧化氮的生理作用。
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