Potassium Sparing Diuretic Essay Paper Define the vocabulary assigned for the workshop.
Renal failure
- Diuretic
- Asa diuretic
- Thiazide diuretic
- Potassium-sparing diuretic. Amiloride, triamterene and the spironolactone are potassium-sparing diuretics which act on the distal parts of the nephron, from the late distal tubule to the collecting duct. In these segments, active sodium reabsorption occurs through the following mechanism: sodium ions enter the cell through specific channels present in the luminal membrane and are extruded out of the cell into the peritubular medium by a sodium-potassium exchange pump, the Na-K-ATPase. Amiloride in micromolar concentrations reduces the sodium transport by blocking the luminal membrane sodium channel.
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