Reversibility of morphine tolerance and dependence in guinea pig brain and myenteric plexus.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001831:Body Temperature / Q000187:drug effects; D001921:Brain / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D006801:Humans; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology*; D009043:Motor Activity / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects; D009197:Myenteric Plexus / Q000187:drug effects*; D009270:Naloxone / Q000494:pharmacology; D012701:Serotonin / Q000494:pharmacology*; D019966:Substance-Related Disorders; D013997:Time Factors
D012701:Serotonin; D009270:Naloxone; D009020:Morphine; D000109:Acetylcholine; D004837:Epinephrine