Definitions for gamma-aminobutyric acidˈgæm ə əˌmi noʊ byuˈtɪr ɪk, -ˌæm ə noʊ-

This page provides all possible meanings and translations of the word gamma-aminobutyric acid

Random House Webster's College Dictionary

gam′ma-a•mi•no•bu•tyr′ic ac′idˈgæm ə əˌmi noʊ byuˈtɪr ɪk, -ˌæm ə noʊ-(n.)

  1. Category: Biochemistry

    Ref: See GABA.

Origin of gamma-aminobutyric acid:

1960–65

Wiktionary

  1. gamma-aminobutyric acid(Noun)

    An amino acid found in the nervous systems of vertebrates and acting as an inhibitory neurotransmitter. Abbreviated as GABA.

Freebase

  1. gamma-Aminobutyric acid

    γ-Aminobutyric acid is the chief inhibitory neurotransmitter in the mammalian central nervous system. It plays a role in regulating neuronal excitability throughout the nervous system. In humans, GABA is also directly responsible for the regulation of muscle tone. Although chemically it is an amino acid, GABA is rarely referred to as such in the scientific or medical communities, because the term "amino acid," used without a qualifier, conventionally refers to the alpha amino acids, which GABA is not, nor is it ever incorporated into a protein. In spastic diplegia in humans, GABA absorption becomes impaired by nerves damaged from the condition's upper motor neuron lesion, which leads to hypertonia of the muscles signaled by those nerves that can no longer absorb GABA.

U.S. National Library of Medicine

  1. gamma-Aminobutyric Acid

    The most common inhibitory neurotransmitter in the central nervous system.

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