title: Participation of calcium and sodium ions in genesis of the chronotropic effect of norepinephrine in isolated rabbit sinoatrial nodes.
mesh_terms: D000818:Animals; D003994:Bucladesine / Q000494:pharmacology; D002118:Calcium / Q000502:physiology*; D004305:Dose-Response Relationship, Drug; D005260:Female; D006339:Heart Rate / Q000187:drug effects*; D066298:In Vitro Techniques; D007477:Ions; D008297:Male; D008345:Manganese / Q000494:pharmacology; D008564:Membrane Potentials / Q000187:drug effects; D009638:Norepinephrine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D011817:Rabbits; D012849:Sinoatrial Node / Q000166:cytology / Q000187:drug effects*; D012964:Sodium / Q000502:physiology*; D013268:Stimulation, Chemical; D013806:Theophylline / Q000037:antagonists & inhibitors / Q000494:pharmacology; D014700:Verapamil / Q000494:pharmacology
chemical_list: D007477:Ions; D008345:Manganese; D003994:Bucladesine; D012964:Sodium; D013806:Theophylline; D014700:Verapamil; D002118:Calcium; D009638:Norepinephrine