Multiple brain sites involved in morphine antinociception.
D000701:Analgesics, Opioid; D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000187:drug effects*; D001931:Brain Mapping; D005260:Female; D007267:Injections; D007276:Injections, Intraventricular; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects
D000701:Analgesics, Opioid; D009020:Morphine