Behbehani, M M Evidence that an excitatory connection between the periaqueductal gray and nucleus raphe magnus mediates stimulation produced analgesia. [electronic resource] - Brain research Jul 1979 - 85-93 p. digital Publication Type: Journal Article ISSN: 0006-8993 Standard No.: 10.1016/0006-8993(79)90942-9 doi Subjects--Topical Terms: AnimalsAxons--physiologyBrain Stem--physiologyCerebral Aqueduct--drug effectsElectric StimulationGlutamates--pharmacologyHindlimb--innervationMaleMuscle Contraction--drug effectsNaloxone--pharmacologyNeural Inhibition--drug effectsNeural Pathways--physiologyNeurons--physiologyNociceptors--drug effectsRaphe Nuclei--drug effectsRatsReceptors, Opioid--drug effectsReflex--drug effects