Antagonism between Ca and Na ions at neurohypophysial nerve terminals.
D000818:Animals; D001665:Binding Sites; D002118:Calcium / Q000494:pharmacology*; D005260:Female; D066298:In Vitro Techniques; D007477:Ions; D008297:Male; D009411:Nerve Endings / Q000187:drug effects*; D009489:Neurosecretion / Q000187:drug effects*; D009994:Osmolar Concentration; D010902:Pituitary Gland / Q000187:drug effects* / Q000502:physiology; D010907:Pituitary Hormones / Q000378:metabolism*; D051381:Rats; D012964:Sodium / Q000494:pharmacology*
D007477:Ions; D010907:Pituitary Hormones; D012964:Sodium; D002118:Calcium