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acetylcholine

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
a·ce·tyl·cho·line  (-stl-kln)
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
Noun1.acetylcholine - a neurotransmitter that is a derivative of cholineacetylcholine - a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
neurotransmitter - a neurochemical that transmits nerve impulses across a synapse


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They first found that acetylcholine signalling at those receptors was highly sensitive to blockage even by low levels of AB.
A survey of 2,474 women who smoked regularly before they became pregnant found those with a variant of a gene known as a nicotinic acetylcholine receptor, were about a third less likely to give up.
When acetylcholinesterase (AChE) attacks acetylcholine (ACh), the latter attaches to a chemical site on the enzyme where it is then destroyed.
 
 
 
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