Enhancement by morphine of the central descending inhibitory influence on spinal sensory transmission.
D000818:Animals; D001933:Brain Stem / Q000502:physiology; D002415:Cats; D002818:Cordotomy; D004558:Electric Stimulation; D005071:Evoked Potentials / Q000187:drug effects; D005260:Female; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D013116:Spinal Cord / Q000187:drug effects*; D013153:Splanchnic Nerves / Q000187:drug effects; D009435:Synaptic Transmission / Q000187:drug effects*
D009020:Morphine