Question:

Complete the following analogy.
Parietal wall of Bowman's capsule : squamous epithelium :: PCT : \rule{2cm{0.15mm} epithelium.}

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Nephron lining: Bowman $\rightarrow$ Squamous (filtration)
PCT $\rightarrow$ Cuboidal + microvilli (reabsorption)
Updated On: May 8, 2026
  • ciliated
  • cuboidal
  • squamous
  • transitional
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The Correct Option is B

Solution and Explanation


Concept: Different parts of the nephron are lined with specific types of epithelium suited to their function.
• Bowman's capsule (parietal layer): Simple squamous epithelium (thin for filtration)
• Proximal convoluted tubule (PCT): Simple cuboidal epithelium with brush border

Step 1:
Understand analogy.
The analogy compares structure with type of epithelium.

Step 2:
Identify PCT lining.
PCT is lined by simple cuboidal epithelium with microvilli for absorption.

Step 3:
Understand function.

• Squamous epithelium: Thin for filtration
• Cuboidal epithelium: Thick with microvilli for reabsorption

Step 4:
Analyze options.
• (A) Ciliated: Found in respiratory tract
• (B) Cuboidal: Correct
• (C) Squamous: Already given for Bowman's capsule
• (D) Transitional: Found in urinary bladder

Step 5:
Conclusion.
Thus, PCT is lined with cuboidal epithelium. Final Answer: Option (B)
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