title: Opioid tolerance and dependence in light of the multiplicity of opioid receptors.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D004361:Drug Tolerance; D006801:Humans; D066298:In Vitro Techniques; D009020:Morphine / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D009293:Opioid-Related Disorders / Q000503:physiopathology*; D011957:Receptors, Opioid / Q000502:physiology*; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology
chemical_list: D009294:Narcotics; D011957:Receptors, Opioid; D009270:Naloxone; D009020:Morphine