title: Differentiation between spinal and supraspinal sites of action of morphine when inhibiting the hindleg flexor reflex in rabbits.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D002250:Carbon Radioisotopes; D002552:Cerebral Ventricles / Q000187:drug effects; D004558:Electric Stimulation; D004567:Electrodes, Implanted; D004576:Electromyography; D006614:Hindlimb / Q000187:drug effects; D006358:Hot Temperature; D007267:Injections; D007275:Injections, Intravenous; D007977:Levallorphan / Q000378:metabolism; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D011817:Rabbits; D012018:Reflex / Q000187:drug effects*; D013131:Spine / Q000187:drug effects; D013997:Time Factors; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D014316:Tritium; D007977:Levallorphan; D009020:Morphine