Prostaglandin feedback mechanism limits vasoconstrictor action of norepinephrine in perfused rabbit ear.
D000818:Animals; D001808:Blood Vessels / Q000187:drug effects* / Q000378:metabolism; D004361:Drug Tolerance; D004423:Ear / Q000098:blood supply; D005246:Feedback; D009638:Norepinephrine / Q000008:administration & dosage / Q000494:pharmacology*; D010477:Perfusion; D011453:Prostaglandins / Q000096:biosynthesis* / Q000494:pharmacology; D011817:Rabbits; D014666:Vasomotor System / Q000187:drug effects*
D011453:Prostaglandins; D009638:Norepinephrine