V2EX nicotinic receptor

Nicotinic Receptor

释义 Definition

烟碱型受体:一类对烟碱(nicotine)乙酰胆碱(acetylcholine)有反应的受体,最常见指烟碱型乙酰胆碱受体(nAChR),属于配体门控离子通道,参与神经传递、肌肉收缩等过程。(在生理学中常与“毒蕈碱型受体 muscarinic receptor”相对。)

发音 Pronunciation (IPA)

/nktnk rsptr/

例句 Examples

Nicotinic receptors are found at the neuromuscular junction.
烟碱型受体存在于神经肌肉接头处。

Chronic nicotine exposure can change the number and sensitivity of nicotinic receptors in the brain, influencing dependence and withdrawal symptoms.
长期接触尼古丁会改变大脑中烟碱型受体的数量与敏感性,从而影响成瘾与戒断症状。

词源 Etymology

nicotinic 来自 nicotine(尼古丁),而 nicotine 源于 16 世纪法国外交官 Jean Nicot(将烟草引入法国并推广其用途);后缀 -ic 表示“……的”。receptor 源自拉丁语 receptor(“接受者”),在现代生物学中引申为“接收信号/配体的分子结构”。

相关词 Related Words

文学与典籍中的用例 Literary Works

  • Principles of Neural Science(Kandel 等):在神经递质与突触传递章节中频繁讨论 nicotinic receptor / nicotinic acetylcholine receptor
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics:在胆碱能药物与神经肌肉阻滞药部分系统介绍烟碱型受体。
  • Molecular Biology of the Cell(Alberts 等):在细胞信号与膜蛋白章节中以烟碱型乙酰胆碱受体作为经典离子通道例子。
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