title: Investigation of pituitary influences on autoanalgesia.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000494:pharmacology; D000818:Animals; D004723:Endorphins / Q000502:physiology; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009619:Nociceptors / Q000187:drug effects / Q000502:physiology*; D010907:Pituitary Hormones / Q000502:physiology*; D051381:Rats
chemical_list: D004723:Endorphins; D010907:Pituitary Hormones; D009020:Morphine; D000324:Adrenocorticotropic Hormone