V2EX cholinesterase

Cholinesterase

定义 Definition

胆碱酯酶:一类能分解神经递质乙酰胆碱(acetylcholine)的酶,帮助终止神经信号传递。临床上常见的有乙酰胆碱酯酶(acetylcholinesterase, AChE)丁酰胆碱酯酶(butyrylcholinesterase, BChE);其活性可用于评估某些中毒(如有机磷)或肝功能等。(该词也可泛指这类酶家族。)

发音 Pronunciation (IPA)

/klnstr.es/

例句 Examples

Cholinesterase breaks down acetylcholine in the body.
胆碱酯酶会分解体内的乙酰胆碱。

After pesticide exposure, doctors may check cholinesterase levels to assess possible organophosphate poisoning.
接触农药后,医生可能会检测胆碱酯酶水平,以评估是否存在有机磷中毒。

词源 Etymology

来自 choline(胆碱) + ester(酯) + -ase(酶的后缀),字面意思是“分解/作用于胆碱酯的酶”。其中 -ase 是生化命名中常见的酶类后缀。

相关词 Related Words

文学与作品 Literary Works

  • 《Rang & Dale’s Pharmacology》(《朗与戴尔药理学》):在胆碱能系统章节中讨论胆碱酯酶及其抑制剂。
  • 《Goodman & Gilman’s The Pharmacological Basis of Therapeutics》(《古德曼与吉尔曼:治疗学的药理学基础》):在神经药理相关部分频繁出现 cholinesterase(尤其与胆碱酯酶抑制剂相关)。
  • 《Casarett & Doull’s Toxicology》(《卡萨雷特与杜尔毒理学》):在有机磷与氨基甲酸酯类毒理章节中提到胆碱酯酶作为暴露/中毒的关键指标。
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