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. 1982 Jul 30;217(4558):448-50.
doi: 10.1126/science.217.4558.448.

Changes in the cell membranes of the bullfrog gastric mucosa with Acid secretion

C Clausen, T E Machen, J M Diamond

Changes in the cell membranes of the bullfrog gastric mucosa with Acid secretion

C Clausen et al. Science. .

Abstract

The effective area, resistance, and configuration of the apical and basolateral cell membranes of the bullfrog gastric mucosa were studied as a function of acid secretion rate, by alternating-current impedance methods. The drop in transepithelial resistance with acid secretion is attributed to the great increase in apical membrane area (hence conductance) associated with tubulovesicles. There is no evidence of a change in basolateral membrane resistance or of apical membrane premeability per unit area.

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