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ZoologyNEET 2024Human excretory system and nephron

Excretory Products and their Elimination

Choose the correct statement regarding the juxtamedullary nephron:

  1. A.The renal corpuscle of a juxtamedullary nephron lies in the outer portion of the renal medulla.
  2. B.The loop of Henle of a juxtamedullary nephron runs deep into the medulla.✓
  3. C.Juxtamedullary nephrons outnumber the cortical nephrons.
  4. D.Juxtamedullary nephrons are located in the columns of Bertini.

Solution

Juxtamedullary nephrons have their renal corpuscles close to the cortex–medulla junction and long loops of Henle that run deep into the medulla, which lets them concentrate urine. Cortical nephrons are far more numerous.

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