Glomerulus · Histology

What happens at the 'urinary pole' of the renal corpuscle?

  1. The afferent arteriole enters
  2. The ultrafiltrate enters the proximal convoluted tubule
  3. Mesangial cells secrete renin
  4. The podocytes transform into simple squamous epithelial cells
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Correct answer: The ultrafiltrate enters the proximal convoluted tubule

The urinary pole is the site where the parietal layer of Bowman's capsule is continuous with the wall of the proximal tubule. This marks the beginning of the tubular portion of the nephron.

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