The roles of sodium transport and anion permeability in generating transepithelial potential differences in larval salamanders.

Ammonia/urine Animals Biological Transport, Active Chlorides/metabolism Electrophysiology Epithelium/physiology Potassium/metabolism Skin Physiological Phenomena Sodium/metabolism Sulfates/metabolism Urodela Water-Electrolyte Balance

Chlorides Sulfates Ammonia Sodium Potassium