title: Possible role of sodium and calcium ions in retention and physiological release of norepinephrine by adrenergic nerve endings.
mesh_terms: D000818:Animals; D001464:Barium / Q000494:pharmacology; D002118:Calcium / Q000037:antagonists & inhibitors / Q000494:pharmacology / Q000502:physiology*; D004336:Drug Antagonism; D006321:Heart / Q000294:innervation; D006352:Heart Ventricles; D066298:In Vitro Techniques; D007700:Kinetics; D008297:Male; D009206:Myocardium / Q000378:metabolism; D009411:Nerve Endings / Q000502:physiology*; D009638:Norepinephrine / Q000378:metabolism*; D009994:Osmolar Concentration; D051381:Rats; D012964:Sodium / Q000494:pharmacology / Q000502:physiology*; D013564:Sympathetic Nervous System / Q000502:physiology*; D014316:Tritium
chemical_list: D014316:Tritium; D001464:Barium; D012964:Sodium; D002118:Calcium; D009638:Norepinephrine