What are the Gastroduodejal barriers?
A group of factors that protect the mucosa from being digested by acid
1. Mucus secretion by the mucosa serves as a protective lining.
2. Bicarbonate secretion by the mucosa
3. Rapid regeneration of mucosal cells.
4. Good blood flow of mucosal cells.
5. Prostaglandins which maintain the blood supply.
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