effects of bath-application of quisqualate ( q ) , n-methyl-d-aspartate ( nmda ) and antagonists of nmda-receptors : d-amino-adipate ( aa ) , 2-amino-4-phosphonobutyrate ( apb ) , 2-amino-5-phosphonovalerate ( apv ) and mg2+ as well as acidic amino acid antagonist : d-glutamylglycine ( dgg ) on the synapse between the electroreceptor cells and afferent fibres were studied in the ampullae of lorenzini .
C0039062
synapse
C0007634
cells