Abstract
Summary
The presence of ethacrynic acid in the nutrient sulphate solution produces, generally in less than 3 min, a decrease in resistance accompanied by an increase in transmucosal PD. These results strongly suggest that the dominant effect of ethacrynic acid is not on the Na+ pathway of the nutrient membrane, but without further knowledge of the resistance of other ionic pathways, it cannot be inferred whether the effect predominates on the K+ pathway as in Cl- media.
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