Renal chloride reabsorption

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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.

Overview table

Characteristics of Cl− reabsorption
Characteristic Proximal tubule Loop of Henle Distal convoluted tubule Collecting duct system
S1S2S3 descending limb thin ascending limb thick ascending limb connecting tubule initial collecting tubulecortical collecting ductsmedullary 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

β intercalated cells: Cl−HCO3− exchanger [1]

other reabsorption features

References

  1. 1 2 3 4 5 6 7 8 9 10 Walter F., PhD. Boron (2005). Medical Physiology: A Cellular And Molecular Approaoch. Elsevier/Saunders. ISBN   1-4160-2328-3. Page 780
  2. 1 2 3 4 5 Walter F., PhD. Boron (2005). Medical Physiology: A Cellular And Molecular Approaoch. Elsevier/Saunders. ISBN   1-4160-2328-3. Page 777
  3. 1 2 Walter F., PhD. Boron (2005). Medical Physiology: A Cellular And Molecular Approaoch. Elsevier/Saunders. ISBN   1-4160-2328-3. Page 779
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