What is the function of the loop of Henle in the nephron?

What is the function of the loop of Henle in the nephron?

Step 1: Understand that the nephron is the basic unit of the kidney that helps filter blood and produce urine.
Step 2: Identify the loop of Henle as a U-shaped part of the nephron located between the proximal tubule and the distal tubule.
Step 3: Learn that the loop of Henle has two main parts: the descending limb and the ascending limb.
Step 4: Recognize that the descending limb allows water to leave but not salts, making the fluid inside more concentrated.
Step 5: Understand that the ascending limb allows salts to leave but not water, which helps dilute the fluid inside.
Step 6: Realize that this process creates a concentration gradient in the renal medulla, which is important for water reabsorption.
Step 7: Conclude that the main function of the loop of Henle is to concentrate urine by adjusting the balance of water and salts.

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