title: Mechanisms of tolerance to and dependence on narcotic analgesic drugs.
mesh_terms: D000701:Analgesics, Opioid / Q000276:immunology / Q000494:pharmacology*; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D001665:Binding Sites / Q000187:drug effects; D001921:Brain / Q000378:metabolism; D002415:Cats; D004361:Drug Tolerance; D000882:Haplorhini; D006801:Humans; D018377:Neurotransmitter Agents / Q000502:physiology; D011506:Proteins / Q000502:physiology; D012313:RNA / Q000502:physiology; D011955:Receptors, Drug; D019966:Substance-Related Disorders
chemical_list: D000701:Analgesics, Opioid; D018377:Neurotransmitter Agents; D011506:Proteins; D011955:Receptors, Drug; D012313:RNA