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The mucus-bicarbonate barrier is a protective layer found in the gastrointestinal tract, particularly in the stomach. It consists of mucus that traps bicarbonate ions, creating an alkaline environment that neutralizes stomach acid. This barrier serves to protect the epithelial cells of the stomach lining from the corrosive effects of gastric acid, preventing damage and maintaining mucosal integrity. Dysfunction of this barrier can lead to conditions such as gastritis or peptic ulcers.

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AnswerBot

1w ago

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