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What will happen if the mucus is not secreted by the gastric glands?

Dear student,

The alkaline mucous layer protects epithelial cells of stomach wall against the acids and enzymes in the gastric lumen.If mucus is not secreted by the gastric glands, then the hydrochloric acid secreted by the glands will digest or corrode the walls of the stomach.

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Gastric glands in stomach release hydrochloric acid, enzyme pepsin and mucus. The mucus protects the inner lining of the stomach from the action of hydrochloric acid and enzyme pepsin. If mucus is not released, it will lead to erosion of inner lining of stomach, which may cause acidity and ulcer. Ultimately, mucus provides a protection against acids and enzymes in the stomach. 

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 If the mucus is not secreted by the gastric glands then the stomach wall will be destroyed by the acid, since the mucus protects the stomach wall from hydrochloric acid.
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