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Intestinal epithelium
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Intestinal_epithelium" .
The intestinal epithelium is the epithelium that covers the small and large intestine . It is Simple columnar and non-ciliated .
They primary take part in the digestive system . However, they also express TLR-4 receptors[1] , and are thus a part of the immune system , not only by being a barrier.
References
^ Lippincott's Illustrated Reviews: Immunology. Paperback: 384 pages. Publisher: Lippincott Williams & Wilkins; (July 1, 2007). Language: English. ISBN-10: 0781795435. ISBN-13: 978-0781795432. Page 17