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. 1960 Jul;43(6):1137-48.
doi: 10.1085/jgp.43.6.1137.

Na, Cl, and water transport by rat ileum in vitro

P F CURRAN

Na, Cl, and water transport by rat ileum in vitro

P F CURRAN. J Gen Physiol. 1960 Jul.

Abstract

Interrelationships between metabolism, NaCl transport, and water transport have been studied in an in vitro preparation of rat ileum. When glucose is present in the mucosal solution, Na and Cl both appear to be actively transported from mucosa to serosa while water absorption is passive and dependent on net solute transport. Removal of glucose from the mucosal solution or treatment with dinitrophenol, monoiodoacetate, or anoxia inhibits active salt transport and as a result, water absorption is also inhibited. The dependence of water absorption on metabolism can be explained as a secondary effect due to its dependence on active salt transport. The relationship between salt and water transport has been discussed in terms of a model system.

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