title: Functional role of cardiac presynaptic alpha 2-adrenoreceptors in the bradycardia of alpha-adrenoreceptor agonists in pentobarbitone-and urethane-anaesthetized normotensive rats.
mesh_terms: D000316:Adrenergic alpha-Agonists / Q000494:pharmacology*; D000758:Anesthesia; D000818:Animals; D002395:Catecholamines / Q000097:blood; D004558:Electric Stimulation; D006339:Heart Rate / Q000187:drug effects*; D008297:Male; D010424:Pentobarbital / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D011941:Receptors, Adrenergic / Q000502:physiology*; D011942:Receptors, Adrenergic, alpha / Q000502:physiology*; D013564:Sympathetic Nervous System / Q000187:drug effects; D014520:Urethane / Q000494:pharmacology*
chemical_list: D000316:Adrenergic alpha-Agonists; D002395:Catecholamines; D011941:Receptors, Adrenergic; D011942:Receptors, Adrenergic, alpha; D014520:Urethane; D010424:Pentobarbital