The Localization and Metabolism of Neuroactive Amino Acids in the Retina
The retina is an integral part of the central nervous system and has an overall metabolic organization resembling that in the brain. In line with this neurotransmission is, in general, chemically mediated and, of the neuroactive amino acids, there is evidence showing that glutamate, aspartate, glycine, γ -aminobutyrate (GABA) and taurine are potential retinal neurotransmitters (Graham, 1974; Mandel et al., 1976; Neal, 1976; Voaden, 1976).
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