title: A release of prostaglandins may be responsible for acute tolerance to norepinephrine infusions.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002415:Cats; D002645:Chickens; D004361:Drug Tolerance; D005260:Female; D007213:Indomethacin / Q000494:pharmacology; D007263:Infusions, Parenteral; D008297:Male; D008722:Methods; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009638:Norepinephrine / Q000008:administration & dosage / Q000097:blood / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology; D011453:Prostaglandins / Q000008:administration & dosage / Q000097:blood* / Q000494:pharmacology; D051381:Rats; D012007:Rectum; D013268:Stimulation, Chemical; D013270:Stomach; D013997:Time Factors
chemical_list: D011453:Prostaglandins; D009638:Norepinephrine; D007213:Indomethacin; D010646:Phentolamine