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gamma-aminobutyric acid
(redirected from Aminobutyric acid)

    Also found in: Wikipedia 0.04 sec.
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.
gam·ma-a·mi·no·bu·tyr·ic acid (gm--mn-by-tîrk, -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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In search of changes in cells during the animals' 6-day menstrual cycles, the researchers looked at nerve-cell receptors for gamma aminobutyric acid, a chemical that inhibits neurons from firing.
Menstrual cycle changes the brain by Science News
The evidence for cerebellar damage is supported by two experimental findings: (1) the increase in the postsynaptic potentials produced by gamma aminobutyric acid in the vestibulooculomotor system and (2) the increase in the rate of Purkinje's cell discharge at the cerebellar flocculus.
Vestibular and hearing manifestations of phenytoin toxicity: A ... by Gavilan, Javier / Ear, Nose and Throat Journal
Retigabine works as both a potassium-channel opener and a potentiator of gamma aminobutyric acid (GABA).
Valeant Pharmaceuticals to Initiate Retigabine Phase 3 Clinical ... by Business Wire
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