Beta-receptor activity in aorta; variations with age and species.

Age Factors Animals Aorta/drug effects,physiology Aorta, Abdominal/drug effects Aorta, Thoracic/drug effects Cats Chemoreceptor Cells Female Guinea Pigs In Vitro Techniques Isoproterenol/pharmacology Male Phentolamine/pharmacology Propranolol/pharmacology Rabbits Rats Species Specificity Stomach/drug effects Trachea/drug effects

Propranolol Isoproterenol Phentolamine