Sensitivity changes of adrenergic -receptors of isolated ileum and trachea preparations induced by alteration of temperature.

Adrenergic beta-Antagonists/pharmacology Animals Bronchodilator Agents/antagonists & inhibitors,pharmacology Drug Antagonism Female Guinea Pigs Ileum/drug effects In Vitro Techniques Isoproterenol/administration & dosage,antagonists & inhibitors,pharmacology Male Rabbits Receptors, Adrenergic Receptors, Drug Temperature Trachea/drug effects

Adrenergic beta-Antagonists Bronchodilator Agents Receptors, Adrenergic Receptors, Drug Isoproterenol