title: Effects of altered smooth muscle tone on aortic diameter and aortic baroreceptor activity in anesthetized rabbits.
mesh_terms: D000818:Animals; D001013:Aorta, Thoracic / Q000502:physiology*; D001794:Blood Pressure; D004548:Elasticity; D007263:Infusions, Parenteral; D009119:Muscle Contraction; D009129:Muscle Tonus; D009130:Muscle, Smooth / Q000502:physiology*; D009638:Norepinephrine / Q000494:pharmacology; D010643:Phenoxybenzamine / Q000494:pharmacology; D011311:Pressoreceptors / Q000187:drug effects / Q000502:physiology*; D011817:Rabbits; D014465:Ultrasonics; D014666:Vasomotor System / Q000187:drug effects / Q000502:physiology*
chemical_list: D010643:Phenoxybenzamine; D009638:Norepinephrine