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The stomach regenerates its mucous lining every few days

Epithelial cell renewal prevents stomach acid from digesting stomach walls

To prevent its powerful hydrochloric acid and digestive enzymes from eroding its own walls, the stomach is lined with a thick layer of alkaline mucus. Specialised epithelial cells reproduce rapidly, completely replacing the stomach lining every three to five days.

Where this comes from

MedlinePlus

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Tags: stomach, mucus, cells

The stomach regenerates its mucous lining every few days: the short answers

Where does this come from, and can I check it?
Epithelial cell renewal prevents stomach acid from digesting stomach walls. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
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Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
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