Renal reabsorption of chloride (Cl−) is a part of renal physiology, in order not to lose too much chloride in the urine.
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 | ||||||||||
Other reabsorption features | |||||||||||