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单词 acetylcholine
释义

WordReference Random House Unabridged Dictionary of American English © 2024
a•ce•tyl•cho•line  (ə sēt′l kō′lēn, ə set′-, as′i tl-),USA pronunciation n. 
  1. Biochemistrythe acetic acid ester of choline, C7H17NO3, released and hydrolyzed during nerve conduction and causing muscle action by transmitting nerve impulses across synapses.
  2. Drugs[Pharm.]this substance used in its chloride form in eye surgery. Abbr.: ACh
  • 1905–10; acetyl + choline
a•ce•tyl•cho•lin•ic  (ə sēt′l kō lin′ik, ə set′-, as′i tl-),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
acetylcholine /ˌæsɪtaɪlˈkəʊliːn -lɪn/ n
  1. a chemical substance secreted at the ends of many nerve fibres, esp in the autonomic nervous system, and responsible for the transmission of nervous impulses. Formula: CH3CO2(CH2)2N (CH3)3+
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更新时间：2025/2/23 16:46:48