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  4. Vitamin B12 deficiency in the body causes megakaryocytic anaemia. The secretion of which of the following cells is required for the absorption of vitamin B12?

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Q. Vitamin B12 deficiency in the body causes megakaryocytic anaemia. The secretion of which of the following cells is required for the absorption of vitamin B12?

NTA AbhyasNTA Abhyas 2022

Solution:

Parietal or oxyntic cells secrete HCl (makes stomach pH 1-3) and castle intrinsic factor (factor essential for the absorption of vitamin B12 in the intestine).