In renal physiology, renal chloride reabsorption refers to the process by which the kidneys, having filtered out waste products from the blood to be excreted as urine, re-absorb chloride ions (Cl−) from the waste.
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 (m moles/day) | |||||||||||
Concentration (m M) | 115 [1] | 135 [1] | |||||||||
electrical driving force (m V) | −3 [2] | +3 [2] | +15 [2] | −5 to +5 [2] | −40 [2] | ||||||
chemical driving force (m V) | |||||||||||
electrochemical driving force (m V) | (positive) [3] | ||||||||||
apical transport proteins | (passively) [3] | ||||||||||
basolateral transport proteins | chloride channels | ||||||||||
Other reabsorption features | |||||||||||
In renal physiology, renal chloride reabsorption refers to the process by which the kidneys, having filtered out waste products from the blood to be excreted as urine, re-absorb chloride ions (Cl−) from the waste.
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 (m moles/day) | |||||||||||
Concentration (m M) | 115 [1] | 135 [1] | |||||||||
electrical driving force (m V) | −3 [2] | +3 [2] | +15 [2] | −5 to +5 [2] | −40 [2] | ||||||
chemical driving force (m V) | |||||||||||
electrochemical driving force (m V) | (positive) [3] | ||||||||||
apical transport proteins | (passively) [3] | ||||||||||
basolateral transport proteins | chloride channels | ||||||||||
Other reabsorption features | |||||||||||