Electrophysiological evidence of an electrogenic sodium pump in the longitudinal muscle of guinea-pig ileum and its involvement in the response to acetylcholine.

Acetylcholine/pharmacology Animals Biological Transport, Active Chlorides/pharmacology Electrophysiology Guinea Pigs Ileum/metabolism In Vitro Techniques Membrane Potentials/drug effects Muscle, Smooth/metabolism Ouabain/pharmacology Potassium/pharmacology Sodium/metabolism,pharmacology

Chlorides Ouabain Sodium Acetylcholine Potassium