Asked by: Emir Briones
asked in category: General Last Updated: 26th January, 2020

What is the descending loop of Henle?

The descending loop of Henle receives isotonic (300 mOsm/L) fluid from the proximal convoluted tubule (PCT). The descending portion of the loop of Henle is extremely permeable to water and is less permeable to ions, therefore water is easily reabsorbed here and solutes are not readily reabsorbed.

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In this manner, what is the function of the descending loop of Henle?

This part of the nephron is called the loop of Henle. Its main function is to reabsorb water and sodium chloride from the filtrate. This conserves water for the organism, producing highly concentrated urine.

Additionally, are there aquaporins in the descending loop of Henle? Aquaporin-1 is not expressed in descending thin limbs of short-loop nephrons. In mammalian kidneys, aquaporin-1 is responsible for water reabsorption along the proximal tubule and is also thought to be involved in the concentration of urine that occurs in the medulla.

Keeping this in view, what is the main substance that moves out of the descending loop of Henle?

The three segments of the loops of Henle have different characteristics that enable countercurrent multiplication. The thin descending limb is passively permeable to both water and small solutes such as sodium chloride and urea.

Where is the descending limb of the loop of Henle?

Descending limb of loop of Henle. Scheme of renal tubule and its vascular supply. (Labeled at center left.) Within the nephron of the kidney, the descending limb of loop of Henle is the portion of the renal tubule constituting the first part of the loop of Henle.

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