[ 3h ] norepinephrine efflux from preloaded rat hippocampal slices was increased in a dose-dependent manner by excitatory amino acids ( eaa ) in the following potency order : n-methyl-d-aspartic acid ( nmda ) greater than kainic acid greater than l-glutamic acid greater than or equal to d , l-homocysteic acid greater than l-aspartic acid greater than quinolinic acid greater than quisqualic acid .
C0243046
excitatory amino acids
C0061472
l-glutamic acid