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NEET 2020
Exam
NEET
Year
2020
Subject
Zoology
Chapter
Digestion and Absorption

NEET 2020 · Zoology · Digestion and Absorption

Intrinsic factor that helps in the absorption of vitamin B _ 12 is...

Intrinsic factor that helps in the absorption of vitamin B12{B}_{12} is secreted by:

Options

  1. AGoblet cells
  2. BHepatic cells
  3. COxyntic cells
  4. DChief cells

Correct answer

C. Oxyntic cells

Step-by-step solution

Parietal or oxyntic cells secrete two important components, i.e. HClHCl and castle intrinsic factor.

HClHCl is responsible for making the stomach environment acidic in nature (pH1−3pH1 - 3) and activation of pepsinogen to pepsin.

Castle intrinsic factor is essential for absorption of vitamin B12{B}_{12}.

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