Na+ transport and flux ratio through apical Na+ channels in toad bladder.
D000818:Animals; D002024:Bufo marinus; D004848:Epithelium / Q000502:physiology; D007473:Ion Channels / Q000502:physiology*; D010539:Permeability; D012964:Sodium / Q000502:physiology*; D001743:Urinary Bladder / Q000502:physiology*
D007473:Ion Channels; D012964:Sodium