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  4. Which cells of the gastric gland of the stomach secrete Castle's intrinsic factor, essential for the absorption of Vit. B12?

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Q. Which cells of the gastric gland of the stomach secrete Castle's intrinsic factor, essential for the absorption of Vit. B12?

NTA AbhyasNTA Abhyas 2020Digestion and Absorption

Solution:

Gastric gland of stomach has three major types of cells:
Mucus/ Neck cells - secretes mucus
Peptic/Chief cells - secretes proenzyme pepsinogen
Parietal/Oxyntic cells - secretes HCl and Castle's intrinsic factor which is essential for the absorption of Vit. B12