title: Effect of 6-hydroxydopamine, 5,6-dihydroxytryptamine and raphe lesions on the antinociceptive actions of morphine in rats.
mesh_terms: D000818:Animals; D001923:Brain Chemistry / Q000187:drug effects; D004298:Dopamine / Q000032:analysis; D004347:Drug Interactions; D004558:Electric Stimulation; D006892:Hydroxydopamines / Q000494:pharmacology*; D008297:Male; D008636:Mesencephalon / Q000502:physiology*; D009020:Morphine / Q000494:pharmacology*; D009410:Nerve Degeneration; D009638:Norepinephrine / Q000032:analysis; D010146:Pain; D051381:Rats; D012701:Serotonin / Q000032:analysis; D013238:Stereotaxic Techniques; D014363:Tryptamines / Q000494:pharmacology*; D014828:Vocalization, Animal / Q000187:drug effects
chemical_list: D006892:Hydroxydopamines; D014363:Tryptamines; D012701:Serotonin; D009020:Morphine; D004298:Dopamine; D009638:Norepinephrine