The alpha-action of catecholamines on the guinea-pig taenia coli in K-free and Na-free solution and in the presence of ouabain.
D000251:Adenosine Triphosphatases / Q000037:antagonists & inhibitors; D000317:Adrenergic alpha-Antagonists / Q000494:pharmacology; D000818:Animals; D001693:Biological Transport, Active / Q000187:drug effects; D002395:Catecholamines / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008564:Membrane Potentials / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects; D010042:Ouabain / Q000494:pharmacology; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism
D000317:Adrenergic alpha-Antagonists; D002395:Catecholamines; D010042:Ouabain; D012964:Sodium; D000251:Adenosine Triphosphatases; D011188:Potassium