acetylcholine Hear it!

acetylcholine definition

ac·etyl·cho·line (as′i til′kō′lēn)

noun

the acetic acid ester of choline, (CH)N(OH)CHCHOCOCH, found in many body tissues, esp. at neuromuscular junctions, acting as a nerve impulse transmitter: its chloride or bromide is used in medicine for various disorders

Etymology: acetyl + choline

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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