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A substance, C7H17NO3, that is derived from choline and is released at the ends of nerve fibers in the somatic and parasympathetic nervous systems, where it mediates the transmission of nerve impulses.


(ˌæsɪtaɪlˈkəʊliːn; -lɪn)
(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+


(əˌsit lˈkoʊ lin, əˌsɛt-)

a short-acting neurotransmitter, widely distributed in the body, that functions as a nervous system stimulant, a vasodilator, and a cardiac depressant.
Abbr.: ACh
a•ce`tyl•cho•lin′ic (-ˈlɪn ɪk) adj.


A neurotransmitter that triggers activity by muscles or secretory glands.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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
References in periodicals archive ?
They also demonstrated blocking acetylcholine receptors disrupts learning and memory.
Acetylcholine, cholinergic antagonist-atropine, histamine, and H1 antagonist-pheniramine maleate were procured from SD-Fine Chemicals Pvt.
As we age, acetylcholine levels in the brain naturally decrease, but Alzheimer's causes a dramatic multiplier effect that takes us from being forgetful to a different level, says Dr.
While there is no blood test to determine low levels of acetylcholine, there are signs:
45 percent respectively indicating that acetylcholine and serotonin causes an increase in contractility of isolated ileal smooth muscle in comparison to paroxetine which has a depressant effect on motility.
In conjunction, RPI-78M is expected to be beneficial in neuromuscular disorders where the activity of nicotinic acetylcholine receptor has been compromised.
apple juice, theorized to increase acetylcholine levels; and
Finally, to determine the interaction of hydroalcoholic extract of ginger and the cholinergic system, the experiment was continued as follow: after seen of relaxation effect of extract for 30 minutes, acetylcholine as the cholinergic agonist with dose of 2 x [10.
The KRONUS Acetylcholine Receptor BINDING and BLOCKING Autoantibody test kits utilize an [I.
Serotonin (95% of the neurotransmitters found in GI tract) can stimulate cholinergic neurons to release acetylcholine which results in smooth muscle contraction.
Doctors that see patients exposed to sarin gas will usually administer intravenous drugs like atropine to block the muscle effects and pralidoxime, which reinvigorates the body's ability to break down acetylcholine.
The first was to enhance the acetylcholine production in synapses.