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A 43-year-old member asked:

Can the duodenum/jejunum play any role in immune system?

1 doctor answer1 doctor weighed in
Dr. Thomas Josa
Allergy and Immunology 39 years experience
Yes: More so in the lower segments of the intestine much of our immune system's cells reside along the gut wall in the form of Peyer's Patches to process any antigen that breaks through the intestinal barrier.

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Last updated Nov 25, 2015
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