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What prevent the lumen of esophagus from being digested by pepsin and HCl
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What prevent the lumen of esophagus from being digested by pepsin and HCl

User Gurdeep Singh Sidhu
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Answer and Explanation:

Second, HCl in the lumen doesnt digest the mucosa because goblet cells in the mucosa secrete large quantities of protective mucus that line the mucosal surface.

User Kylef
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