title: Site of action of development of partial tolerance to morphine in cats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D001931:Brain Mapping; D001933:Brain Stem / Q000187:drug effects*; D002415:Cats; D004361:Drug Tolerance; D008236:Lypressin / Q000031:analogs & derivatives / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D011903:Raphe Nuclei / Q000187:drug effects*; D011941:Receptors, Adrenergic / Q000187:drug effects
chemical_list: D011941:Receptors, Adrenergic; D008236:Lypressin; D009020:Morphine; D011433:Propranolol; D009638:Norepinephrine