V2EX acetylcholine

Acetylcholine

释义 Definition

乙酰胆碱:一种重要的神经递质,在神经元之间传递信号;也参与肌肉收缩(神经-肌肉接头)以及副交感神经系统对心率、消化等功能的调节。(该词在不同语境下也可涉及其受体与相关药理作用。)

发音 Pronunciation (IPA)

/sitlkolin/

例句 Examples

Acetylcholine helps muscles contract.
乙酰胆碱帮助肌肉收缩。

In the autonomic nervous system, acetylcholine plays a key role in regulating heart rate and digestion through cholinergic signaling.
在自主神经系统中,乙酰胆碱通过胆碱能信号传导在调节心率与消化方面起关键作用。

词源 Etymology

acetyl-(乙酰-) + choline(胆碱) 组合而成,字面意思是“带乙酰基的胆碱”。该化合物因其结构特点与在神经传递中的重要作用而得名,后来在生理学与药理学中成为基础术语。

相关词 Related Words

文献与著作中的用例 Literary & Notable Works

  • Principles of Neural Science(Kandel 等):在神经递质与突触传递章节系统讨论乙酰胆碱。
  • Guyton and Hall Textbook of Medical Physiology:在自主神经与神经-肌肉接头部分高频出现该术语。
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics:在胆碱能药物、受体与相关疾病机制中大量使用“acetylcholine”。
  • Otto Loewi(1921)关于“Vagusstoff(迷走物质)”的经典实验论文:后续研究将其与乙酰胆碱联系起来,奠定现代神经化学基础。
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