Definition of GABA

1. Noun. An amino acid that is found in the central nervous system; acts as an inhibitory neurotransmitter.


Medical Definition of GABA

1. An important amino acid which functions as the most prevalent inhibitory neurotransmitter in the central nervous system. Gamma aminobutyric acid works in partnership with a derivative of Vitamin B-6, pyridoxine, to cross from the axons to the dendrites through the synaptic cleft, in response to an electrical signal in the neuron and inhibits message transmission. This helps control the nerve cells from firing too fast, which would overload the system. The action of gamma aminobutyric acid decreases epileptic seizures and muscle spasms by inhibiting electrical signals in this manner. Studies have shown that the site of action in the brain of benzodiazepams, including Valium, is directly coupled to the brain receptor for gamma aminobutyric acid. Acronym: GABA (05 Jan 1998)

Lexicographical Neighbors of GABA

G. B. Shaw
G. E. Moore
G. K. Chesterton
G. R. Kirchhoff
G. Stanley Hall
g0 phase
G1
g1 phase
G2
g2 phase
Ga
GA
GAAP
gab
GABA (current term)
GABA (current term)
gabardine
gabardines
gabase
gaba agents
gaba agonists
gaba antagonists
GABA dehydrogenase
gaba modulators
GABA pathway
GABA permease
GABA receptor
gabbard
gabbards
gabbart

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