title: Antinociceptive actions of clonidine.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects*; D003000:Clonidine / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009115:Muridae; D009270:Naloxone / Q000494:pharmacology; D009619:Nociceptors / Q000187:drug effects*; D010643:Phenoxybenzamine / Q000494:pharmacology; D011292:Premedication; D011941:Receptors, Adrenergic / Q000187:drug effects; D011957:Receptors, Opioid / Q000187:drug effects; D013116:Spinal Cord / Q000187:drug effects; D015016:Yohimbine / Q000494:pharmacology
chemical_list: D011941:Receptors, Adrenergic; D011957:Receptors, Opioid; D010643:Phenoxybenzamine; D015016:Yohimbine; D009270:Naloxone; D009020:Morphine; D003000:Clonidine