title: Morphine catalepsy in relation to striatal and extrastriatal dopamine.
mesh_terms: D000818:Animals; D002375:Catalepsy / Q000139:chemically induced*; D004298:Dopamine / Q000096:biosynthesis; D006801:Humans; D008297:Male; D009020:Morphine / Q000633:toxicity*; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011954:Receptors, Dopamine / Q000187:drug effects; D014443:Tyrosine / Q000031:analogs & derivatives / Q000494:pharmacology
chemical_list: D011954:Receptors, Dopamine; D009270:Naloxone; D014443:Tyrosine; D009020:Morphine; D004298:Dopamine