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1. (n.) acetylcholine
a short-acting neurotransmitter, widely distributed in the body, that functions as a nervous system stimulant, a vasodilator, and a cardiac depressant.
Etymology: (1905–10)
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| Definition of 'acetylcholine' |
Princeton's WordNet |
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1. (noun) acetylcholine
a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
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| Definition of 'acetylcholine' |
U.S. National Library of Medicine |
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1. acetylcholine
A neurotransmitter. Acetylcholine in vertebrates is the major transmitter at neuromuscular junctions, autonomic ganglia, parasympathetic effector junctions, a subset of sympathetic effector junctions, and at many sites in the central nervous system. It is generally not used as an administered drug because it is broken down very rapidly by cholinesterases, but it is useful in some ophthalmological applications.
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| Alternative search options for 'acetylcholine' |
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Definitions of acetylcholine 
