title: Participation of cardiac presynaptic alpha 2-adrenoceptors in the bradycardiac effects of clonidine and analogues.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D003000:Clonidine / Q000031:analogs & derivatives* / Q000494:pharmacology*; D004558:Electric Stimulation; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects*; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D011941:Receptors, Adrenergic / Q000502:physiology*; D011942:Receptors, Adrenergic, alpha / Q000502:physiology*; D014628:Vagotomy
chemical_list: D000319:Adrenergic beta-Antagonists; D011941:Receptors, Adrenergic; D011942:Receptors, Adrenergic, alpha; D003000:Clonidine