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Ileum

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Ileum

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The ileum () is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine may be used instead of ileum. Its main function is to absorb vitamin B12, bile salts, and whatever products of digestion that were not absorbed by the jejunum. The ileum follows the duodenum and jejunum and is separated from the cecum by the ileocecal valve (ICV). In humans, the ileum is about 2–4 m long, and the pH is usually between 7 and 8 (neutral or slightly basic). Ileum is derived from the Greek word eilein, meaning "to twist up tightly".

English Wikipedia http://en.wikipedia.org/wiki/Ileum

Spanish wikipedia http://es.wikipedia.org/wiki/Íleon

Wiki page external link https://web.archive.org/web/20051029223728/http:/science.nhmccd.edu/biol/digestive/ileum.htm https://web.archive.org/web/20060315183719/http:/www.deltagen.com/target/histologyatlas/atlas_files/digestive/ileum_20x.htm https://web.archive.org/web/20120218235831/http:/www.endoatlas.com/co_ge_15.html