Multiple choice

In an adult human kidney, the brush border is a characteristic feature of which among the following parts of a nephron?

  1. Proximal convoluted tubule

  2. Distal convoluted tubule

  3. Ascending limb of the loop of Henle

  4. Descending limb of loop of Henle

  5. Renal corpuscles

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A Correct answer
Explanation

The cells lining the proximal convoluted tubule are well adapted for reabsorption of materials from the filtrate. They have abundant mitochondria and bear numerous microvilli on the free side thus giving brush border appearance.