The rates of fluid transfer across human gallbladders obtained at cholecystectomy for cholelithiasis were determined by the measurement of weight changes of everted preparations under controlled conditions. Active transport of fluid from the mucosal to the serosal surface was indicated since weight gain occurred with the same solution on both sides of the membrane and against hydrostatic, osmotic, and potential differences. With respect to sodium, the fluid transferred was isotonic to the bathing solutions. Metabolic inhibitors and temperature extremes inhibited weight gain.
Authors
Gerald R. Onstad, Leslie J. Schoenfield, John A. Higgins
