Ionic fluxes in the rat portal vein and the applicability of the Goldman equation in predicting the membrane potential from flux data.

Action Potentials Animals Carbon Radioisotopes Cell Membrane Permeability Chlorides/metabolism Cobalt Radioisotopes Extracellular Space Male Membrane Potentials Microelectrodes Osmolar Concentration Portal Vein/metabolism Potassium/metabolism Rats Sodium/metabolism

Carbon Radioisotopes Chlorides Cobalt Radioisotopes Sodium Potassium