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• n  the part of the small intestine between the jejunum and the cecum

• How much guts does it take to survive? Nature supplies man with an average 25 feet, four-fifths of it in the small intestine (comprising the duodenum, ileum and jejunum).
• For reasons that medical researchers have not yet fathomed, inflammation of the ileum, the lower third of the small bowel, is far less common.
• In the other, the diseased ileum is cut off, and its open end is stitched shut; it is left dangling.