Which of the following forms the lining of kidney tubules and duets of salivary glands? 

This question was previously asked in
RRB Group D 19 Sept 2022 Shift 1 Official Paper
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  1. Squamous epithelium 
  2. Columnar epithelium 
  3. Glandular epithelium 
  4. Cuboidal epithelium 

Answer (Detailed Solution Below)

Option 4 : Cuboidal epithelium 
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Detailed Solution

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The correct answer is Cuboidal epithelium.

Key Points

  • Cuboidal epithelium forms the lining of kidney tubules and duets of salivary glands.
  • It provides mechanical support to the tubules and the glands.
  • Cuboidal epithelium is cubical or more or less squarish in shape. 
  • The Nucleus of the cells lies in the centre.

Additional Information

  •  Locations of all other epithelium are as follows: 
    • Squamous epithelium: Is present in walls of capillaries, air sacs, alveoli, lungs, and the kidney.
    • Columnar epithelium: Lines the surface of the cervix and endocervical crypts which helps in absorption and secretion.
    • Glandular epithelium: Forms covering all the major glands.
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