title: Multiple opioid receptor systems in brain and spinal cord: Part 2.
mesh_terms: D000698:Analgesia; D000700:Analgesics / Q000037:antagonists & inhibitors / Q000494:pharmacology; D000818:Animals; D001921:Brain / Q000187:drug effects / Q000502:physiology*; D001923:Brain Chemistry; D002415:Cats; D002540:Cerebral Cortex / Q000187:drug effects / Q000378:metabolism; D003342:Corpus Striatum / Q000187:drug effects / Q000378:metabolism; D004285:Dogs; D004298:Dopamine / Q000378:metabolism; D004723:Endorphins / Q000378:metabolism / Q000502:physiology; D006624:Hippocampus / Q000187:drug effects / Q000378:metabolism; D006801:Humans; D007395:Interneurons / Q000187:drug effects; D051379:Mice; D009292:Narcotic Antagonists / Q000378:metabolism / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology; D009474:Neurons / Q000187:drug effects / Q000502:physiology; D018377:Neurotransmitter Agents / Q000378:metabolism; D009619:Nociceptors / Q000187:drug effects / Q000502:physiology; D010146:Pain / Q000188:drug therapy / Q000503:physiopathology; D011323:Primates; D011817:Rabbits; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D017465:Receptors, Opioid, delta; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D017480:Receptors, sigma; D013116:Spinal Cord / Q000187:drug effects / Q000378:metabolism / Q000502:physiology*; D013329:Structure-Activity Relationship
chemical_list: D000700:Analgesics; D004723:Endorphins; D009292:Narcotic Antagonists; D009294:Narcotics; D018377:Neurotransmitter Agents; D011957:Receptors, Opioid; D017465:Receptors, Opioid, delta; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D017480:Receptors, sigma; C043460:epsilon receptor; D004298:Dopamine