Cooperative interaction of external calcium, sodium, and ouabain with the cellular potassium in smooth muscle.

Animals Biological Transport Body Fluids Calcium/metabolism,pharmacology Carotid Arteries Colon Dogs Drug Interactions Extracellular Space In Vitro Techniques Kinetics Mathematics Muscle, Smooth/metabolism Myocardium/metabolism Ouabain/metabolism,pharmacology Potassium/analysis,metabolism,pharmacology Potassium Isotopes Sodium/metabolism Sodium Chloride/pharmacology Spectrophotometry, Atomic Sucrose/pharmacology Time Factors

Potassium Isotopes Sodium Chloride Sucrose Ouabain Sodium Potassium Calcium