Biochemistry. the acetic acid ester of choline, C7H17NO3, released and hydrolyzed during nerve conduction and causing muscle action by transmitting nerve impulses across synapses.
Pharmacology. this substance used in its chloride form in eye surgery. Abbreviation: ACh
- a·ce·tyl·cho·lin·ic [uh-seet-l-koh-lin-ik, uh-set-, as-i-tl-], /əˌsit l koʊˈlɪn ɪk, əˌsɛt-, ˌæs ɪ tl-/, adjective
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How to use acetylcholine in a sentence
It is in my brain and it is at a nerve terminus that the sugar is eventually synthesized to the hormone acetylcholine, a neurotransmitter.Carbon, It’s Elementary, Dear Reader - Issue 99: Universality | John Barnett | April 14, 2021 | Nautilus
It inactivates an enzyme which controls the transmission of nerve impulses to muscle, acetylcholine esterase.
British Dictionary definitions for acetylcholine
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: CH 3 CO 2 (CH 2) 2 N (CH 3) 3 +
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for acetylcholine
A substance that is released at the junction between neurons and skeletal muscle fibers, at the nerve endings of the parasympathetic nervous system, and across synapses in the central nervous system, where it acts as a neurotransmitter. Chemical formula: C7H16NO2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.