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| | SIU SOM Histology GI |
 | | The mucosa of the small intestine is characterized by evagination into plicae and villi, which increase the surface area for nutrient absorption, and by short tubular invaginations, the crypts, which provide a protected site for stem cells. |
 | | The mucosa of the small intestine is lined by a simple columnar epithelium which consists primarily of absorptive cells (enterocytes), with scattered goblet cells and occasional enteroendocrine cells. |
 | | The small intestine is divided, somewhat arbitrarily, into three regions: the duodenum, the jejunum, and the ileum. |
| www.siumed.edu /~dking2/erg/smallint.htm (886 words) |
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