the molar ratio of excitatory amino acid neurotransmitters ( glutamate and aspartate ) to inhibitory amino acid neurotransmitters ( r-aminobutyric acid , gaba , and glycine ) in the brain was diminished in acute hepatic failure rats with hyperammonemia , brain edema , and abnormal electroencephalograms .
C0243046
excitatory amino acid
C0002520
amino acid