Renal chloride reabsorption
Renal reabsorption of chloride (Cl−) is a part of renal physiology, in order not to lose too much chloride in the urine.
Overview table
| Characteristic | proximal tubule | loop of Henle | Distal convoluted tubule | Collecting duct system | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | S2 | S3 | descending limb | thin ascending limb
|
thick ascending limb
|
connecting tubule
|
initial collecting tubule | cortical collecting ducts | medullary collecting ducts | ||
| reabsorption (%) | |||||||||||
| reabsorption (mmoles/day) | |||||||||||
| Concentration (mM) | 115[1] | 135[1] | |||||||||
| electrical driving force (mV) | −3[2] | +3[2] | +15[2] | −5 to +5[2] | −40[2] | ||||||
| chemical driving force (mV) | |||||||||||
| electrochemical driving force (mV) | (positive) [3] | ||||||||||
apical transport proteins |
(passively)[3] |
|
|
|
|||||||
basolateral transport proteins |
|
chloride channels
Cl−HCO3− exchanger[1]
| |||||||||
| Other reabsorption features | |||||||||||
References
- ^ ISBN 1-4160-2328-3. Page 780
- ^ ISBN 1-4160-2328-3. Page 777
- ^ ISBN 1-4160-2328-3. Page 779