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sodium pump

 

Definition: a biologic mechanism that uses metabolic energy from ATP to achieve active transport of sodium across a membrane; sodium pumps expel sodium from most cells of the body, sometimes coupled with the transport of other substances, and also serve to move sodium across multicellular membranes such as renal tubule walls.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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