title: Potentiation of the effects of catecholamines by alpha- and their antagonism by beta-adrenergic blocking agents on the guinea-pig isolated trachea in vitro and on the guinea-pig lungs in vivo.
mesh_terms: D000317:Adrenergic alpha-Antagonists / Q000494:pharmacology; D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D002395:Catecholamines / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D004336:Drug Antagonism; D004357:Drug Synergism; D004837:Epinephrine / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D008168:Lung / Q000187:drug effects*; D008297:Male; D009638:Norepinephrine / Q000494:pharmacology; D010643:Phenoxybenzamine / Q000494:pharmacology; D010646:Phentolamine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D013565:Sympatholytics / Q000494:pharmacology*; D014132:Trachea / Q000187:drug effects*
chemical_list: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D002395:Catecholamines; D013565:Sympatholytics; D010643:Phenoxybenzamine; D011433:Propranolol; D007545:Isoproterenol; D009638:Norepinephrine; D004837:Epinephrine; D010646:Phentolamine