noun[mass noun] Biochemistry
An amino acid which acts to inhibit the transmission of nerve impulses in the central nervous system.
- Phytosterols, a volatile oil, and amino acids, including gamma-aminobutyric acid and L-canavanine, have been isolated from the root.
- Instead, the etiology of the disorder is related to abnormalities of serotonin, norepinephrine, gamma-aminobutyric acid, dopamine, and cholecystokinin.
- Hypoxia increases central nervous system levels of specific neuroinhibitors such as endogenous opioids, adenosine, and gamma-aminobutyric acid.
Early 20th century: gamma indicating the relative position of amino on the third carbon away from the acid group.
Definition of gamma-aminobutyric acid in:
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