V2EX noradrenaline

Noradrenaline

定义 Definition

noradrenaline(英:noradrenaline;美式常称 norepinephrine)指去甲肾上腺素:一种由交感神经末梢和肾上腺髓质释放的激素/神经递质,主要作用是让身体进入“应激(战或逃)”状态,如升高心率、收缩血管、提高警觉等。(在医学上也用作升压药。)

发音 Pronunciation (IPA)

/nr.dren..ln/

例句 Examples

Noradrenaline can make your heart beat faster when you feel stressed.
当你感到压力时,去甲肾上腺素会让你的心跳加快。

In critical care, doctors may give noradrenaline to raise blood pressure in patients with shock.
在重症监护中,医生可能会给休克患者使用去甲肾上腺素来升高血压。

词源 Etymology

noradrenalinenor-(表示“少一个/去掉一个”,在化学命名中常指“少一个甲基”)+ adrenaline(肾上腺素)构成,意思是“相对于肾上腺素少一个甲基的相关物质”。因此中文译作“去甲肾上腺素”。(美式常用名 norepinephrine 也体现了同源的化学与生理命名传统。)

相关词 Related Words

文学作品中的用例 Literary Works

noradrenaline更常见于医学与科普写作而非传统文学小说,但在以下类型与作品中常会出现相关讨论或术语用法(包括其美式同义名 norepinephrine):

  • Robert M. Sapolsky:《Why Zebras Don’t Get Ulcers》(《为什么斑马不会得胃溃疡》)讨论应激反应与相关激素/神经递质(常涉及肾上腺素与去甲肾上腺素)。
  • David J. Linden:《The Compass of Pleasure》(《快乐的指南针》)介绍大脑奖赏与唤醒系统,涉及多种神经递质(可能提及去甲肾上腺素/去甲肾上腺素系统)。
  • Oliver Sacks:《The Man Who Mistook His Wife for a Hat》(《错把妻子当帽子的人》)神经学病例写作背景下可能出现相关神经化学术语(不同版本/章节用词可能以 norepinephrine 为主)。
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