Dissociation of alpha adrenergic receptor protection from inhibition of H-phenoxybenlamine binding in vascular tissue.

Adrenergic alpha-Agonists/pharmacology Adrenergic alpha-Antagonists/pharmacology Animals Aorta, Thoracic/metabolism Blood Vessels/drug effects Catechol O-Methyltransferase Inhibitors Dose-Response Relationship, Drug In Vitro Techniques Monoamine Oxidase Inhibitors/pharmacology Norepinephrine/metabolism Phenoxybenzamine/metabolism,pharmacology Rabbits Receptors, Adrenergic/drug effects Receptors, Drug/drug effects Sympatholytics/pharmacology Sympathomimetics/pharmacology Tritium

Adrenergic alpha-Agonists Adrenergic alpha-Antagonists Catechol O-Methyltransferase Inhibitors Monoamine Oxidase Inhibitors Receptors, Adrenergic Receptors, Drug Sympatholytics Sympathomimetics Phenoxybenzamine Tritium Norepinephrine