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  4. Which of the following gastric secretions is correctly matched with its source?

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Q. Which of the following gastric secretions is correctly matched with its source?

AIIMSAIIMS 2013Digestion and Absorption

Solution:

Parietal cells (or oxyntic cells) secrete hydrochloric acid (HCI) and Castle's intrinsic factor. Chief cells (or peptic cells) secrete gastric digestive enzymes as proenzymes — pepsinogen and prorennin. HCI helps in converting pepsinogen to pepsin. Goblet cells secrete mucus which helps to neutralise acid in stomach and protects stomach wall against HCI action.