Distal Tubule
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Renal
- Renin
- Angiotensin II
- Aldosterone
- ADH
- RAAS System
- Kidney Overview
- Nephron Structure
- Glomerulus
- Proximal Tubule
- Loop of Henle
- Distal Tubule
- Collecting Duct
Distal Tubule
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- Distal (convoluted) Tubule
- Physiologically-controlled reabsorption
- Aldosterone increases Na+ reabsorption and K+ secretion
- Reabsorption of sodium, calcium
- Na+ coupled to water reabsorption, increasing blood pressure
- Secretion of potassium
- Acid-base balance
- By secreting H+ and reabsorbing bicarbonate
- Reabsorption of sodium, calcium
- Antidiuretic hormone (ADH/vasopressin) increases water reabsorption via aquaporins
- Aldosterone increases Na+ reabsorption and K+ secretion
- Physiologically-controlled reabsorption