Explain how the movement of NaCl and water in the ascending and descending limbs of the...

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Medical Sciences

Explain how the movement of NaCl and water in the ascending anddescending limbs of the loop of Henle work as a countercurrentsystem. You may use a diagram to help explain this.

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COUNTERCURRENT MECHANISM COUNTERCURRENT FLOW A countercurrent system is a system of Ushaped tubules tubes in which the flow of fluid is in opposite direction in two limbs of the Ushaped tubules Divisions of Countercurrent System Countercurrent system has two divisions 1 Countercurrent multiplier formed by loop of Henle 2 Countercurrent exchanger formed by vasa recta COUNTERCURRENT MULTIPLIER Loop of Henle Loop of Henle functions as countercurrent multiplier It is responsible for development of hyperosmolarity of medullary interstitial fluid and medullary gradient Role of Loop of Henle in Development of Medullary Gradient Loop of Henle of juxtamedullary nephrons plays a major role as countercurrent multiplier See Answer

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