gamma aminobutyric acid
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|Noun||1.||gamma aminobutyric acid - an amino acid that is found in the central nervous system; acts as an inhibitory neurotransmitter|
amino acid, aminoalkanoic acid - organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids"
neurotransmitter - a neurochemical that transmits nerve impulses across a synapse
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