title: Contraversive circling and facilitation of the perioral biting reflex by injection of substance P or D-Ala2-Met-encephalinamide into the substantia nigra.
mesh_terms: D000818:Animals; D001070:Appetitive Behavior / Q000187:drug effects*; D004292:Dominance, Cerebral / Q000187:drug effects; D004723:Endorphins / Q000494:pharmacology*; D004744:Enkephalin, Methionine / Q000031:analogs & derivatives*; D004745:Enkephalins / Q000494:pharmacology*; D006801:Humans; D008297:Male; D009118:Muscimol / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D011235:Predatory Behavior / Q000187:drug effects*; D051381:Rats; D011919:Rats, Inbred Strains; D012018:Reflex / Q000187:drug effects*; D013239:Stereotyped Behavior / Q000187:drug effects*; D013378:Substantia Nigra / Q000187:drug effects*
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009118:Muscimol; D009270:Naloxone; D004744:Enkephalin, Methionine; C022118:enkephalinamide-Met, Ala(2)-