title: Effects of substantia nigra stimulation on suralis-evoked spinal reflex activity: comparison with the effects of morphine and stimulation in the periaqueductal gray matter.
mesh_terms: D000818:Animals; D001921:Brain / Q000502:physiology*; D002535:Cerebral Aqueduct; D003655:Decerebrate State; D004558:Electric Stimulation; D005071:Evoked Potentials / Q000187:drug effects; D005260:Female; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D051381:Rats; D012018:Reflex / Q000187:drug effects*; D013127:Spinal Nerves / Q000502:physiology*; D013378:Substantia Nigra / Q000502:physiology*; D013497:Sural Nerve / Q000502:physiology*; D009435:Synaptic Transmission / Q000187:drug effects
chemical_list: D009020:Morphine