title: [Dynorphin: analgesic effect via kappa receptors in the spinal cord of rats].
mesh_terms: D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D003496:Cyclazocine / Q000031:analogs & derivatives / Q000494:pharmacology; D004399:Dynorphins / Q000494:pharmacology*; D016314:Ethylketocyclazocine; D005260:Female; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects*; D017473:Receptors, Opioid, kappa; D013116:Spinal Cord / Q000187:drug effects*
chemical_list: D000700:Analgesics; D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D009270:Naloxone; D016314:Ethylketocyclazocine; D004399:Dynorphins; D003496:Cyclazocine