a·ce·tyl·cho·line ( -s t l-k  ln)n. A white crystalline derivative of choline, C7H17NO3, that is released at the ends of nerve fibers in the somatic and parasympathetic nervous systems and is involved in the transmission of nerve impulses in the body. |
acetylcholine [ˌæsɪtaɪlˈkəʊliːn -lɪn]
n
(Life Sciences & Allied Applications / Biochemistry) 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+
| acetylcholine (-stl-kln) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  acetylcholine - a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systemsneurotransmitter - a neurochemical that transmits nerve impulses across a synapse |
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