The site of the ion restricting membranes in the toad lens.
D000818:Animals; D001001:Anura / Q000502:physiology*; D001693:Biological Transport, Active; D002462:Cell Membrane / Q000502:physiology*; D002463:Cell Membrane Permeability; D066298:In Vitro Techniques; D007908:Lens, Crystalline / Q000166:cytology* / Q000378:metabolism; D008564:Membrane Potentials; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism
D012964:Sodium; D011188:Potassium