Sensitization to the hyperthermic and catecholamine-releasing effects of morphine.
D000818:Animals; D001831:Body Temperature / Q000187:drug effects; D003214:Conditioning, Classical; D004361:Drug Tolerance; D004777:Environment; D004837:Epinephrine / Q000097:blood*; D005334:Fever / Q000139:chemically induced*; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D009638:Norepinephrine / Q000097:blood*; D051381:Rats; D011919:Rats, Inbred Strains
D009020:Morphine; D009638:Norepinephrine; D004837:Epinephrine