[gam-uh uh-mee-noh-byoo-tir-ik, -am-uh-noh-]
Origin of gamma-aminobutyric acid
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An amino acid that occurs in the central nervous system and that is associated with transmission of inhibitory nerve impulses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
An amino acid occurring in the brain as a neurotransmitter that acts to inhibit the transmission of nerve impulses. Certain antianxiety drugs, called benzodiazepines, mimic the actions of gamma-aminobutyric acid. Chemical formula: C4H9NO2.
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