ALTERATION OF EXTRACELLULAR K+-ACTIV1TY INDUCED BY AMINO ACIDS IN THE FROG SPINAL CORD

Abstract

GABA [.gamma.-aminobutyric acid] glycine and L-glutamate caused a significant increase in the extracellular K+-activity [in Rana catesbeiana]. The distribution of increased K+-activity induced by GABA and glycine was greater in the dorsal horn than in the motoneurone pool, whereas the reverse was the case when L-glutamate was applied.