Definition of acetylcholine in English:
 acetylcholine
noun ˌasɪtʌɪlˈkəʊliːnˌasɪtɪlˈkəʊliːnˌasitl-
mass nounBiochemistry A compound which occurs throughout the nervous system, in which it functions as a neurotransmitter.
 Example sentencesExamples
-  In someone with Alzheimer's, cholinesterase breaks down and destroys acetylcholine, the neurotransmitter chemical.
 -  All nerve agents act by inhibiting the enzyme acetylcholinesterase, which breaks down the neurotransmitter acetylcholine.
 -  The action of a common neurotransmitter, such as acetylcholine, illustrates how ion channel receptors work.
 -  However, acetylcholine, the first neurotransmitter to be identified, was not isolated until the early 1920s.
 -  Possible modulators of growth include acetylcholine, dopamine, vasoactive intestinal polypeptide, and glucagon.