title: In vitro studies on opiate receptors and their ligands.
mesh_terms: D000818:Animals; D001665:Binding Sites; D001921:Brain / Q000187:drug effects; D002421:Caudate Nucleus / Q000187:drug effects; D002552:Cerebral Ventricles / Q000187:drug effects; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000302:isolation & purification; D006168:Guinea Pigs; D000882:Haplorhini; D006801:Humans; D007700:Kinetics; D051379:Mice; D008968:Molecular Conformation; D051381:Rats; D011957:Receptors, Opioid / Q000302:isolation & purification; D012964:Sodium / Q000494:pharmacology; D013237:Stereoisomerism; D013439:Sulfhydryl Reagents / Q000494:pharmacology; D013788:Thalamus / Q000187:drug effects
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid; D013439:Sulfhydryl Reagents; D012964:Sodium