sodium pump
sodium pump
nounDefinition of SODIUM PUMP
1
: a molecular mechanism by which sodium ions are transferred across a cell membrane by active transport; especially : one that is controlled by a specialized plasma membrane protein by which a high concentration of potassium ions and a low concentration of sodium ions are maintained within a cell
2
: the specialized plasma membrane protein that controls the sodium pump mechanism
First Known Use of SODIUM PUMP
1951
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