The electrical potential profile of gallbladder epithelium

  title={The electrical potential profile of gallbladder epithelium},
  author={C. H. van Os and J. F. G. Slegers},
  journal={The Journal of Membrane Biology},
In this study the relative ionic permeabilities of the cell membranes ofNecturus gallbladder epithelium have been determined by means of simultaneous measurement of transmural and transmucosal membrane potential differences (PD) and by ionic substitution experiments with sodium, potassium and chloride ions. It is shown that the mucosal membrane is permeable to sodium and to potassium ions. The baso-lateral membrane PD is only sensitive to potassium ions. In both membranes chloride conductance… CONTINUE READING


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