γ-aminobutyric acid /γ-ami·no·bu·tyr·ic ac·id/ (GABA) (-bu-tēr´ik) the principal inhibitory neurotransmitter in the brain but also occurring in several extraneural tissues, including kidney and pancreatic islet β cells. Released from presynaptic cells upon depolarization, it modulates membrane chloride permeability and inhibits postsynaptic cell firing.
gamma-aminobutyric acid /gam·ma-ami·no·bu·tyr·ic ac·id/ (gam″ah-ah-me″no-bu-tir´ik) γ.
GABA (gamma-aminobutyric acid)
gamma-aminobutyric acid (GABA),
gamma-aminobutyric acid
gamma-aminobutyric acid /gam·ma-ami·no·bu·tyr·ic ac·id/ (gam″ah-ah-me″no-bu-tir´ik) γ.
gam·ma-a·mi·no·bu·tyr·ic acid (g m  --m n -by -tîr  k, -m-n-)n. Abbr. GABA An amino acid that occurs in the central nervous system and that is associated with transmission of inhibitory nerve impulses. |
GABA (gamma-aminobutyric acid)
A neurotransmitter that slows down the activity of nerve cells in the brain.
Mentioned in: Central Nervous System Depressants
gamma-aminobutyric acid (GABA),
an amino acid that functions as an inhibitory neurotransmitter in the brain and spinal cord. It is also found in the heart, lungs, and kidneys and in certain plants.
γ-aminobutyric acid
an amino acid that is one of the principal inhibitory neurotransmitters in the central nervous system. Abbreviated GABA.
gamma-aminobutyric acid
See GABA.
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