| ileum | <anatomy> The last portion of the small intestine that communicates with the large intestine. (18 Nov 1997) |
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| arterial arches of ileum | Arches formed in the mesentery by branches of the superior mesenteric artery from which vessels (vasa recta) arise to supply the wall of the ileum. See: intestinal arterial arcades. (05 Mar 2000) |
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| small bowel disease involving terminal ileum | <radiology> Crohn's, TB, Yersinia (12 Dec 1998) |
| sphincteroid tract of ileum | The thickening of the circular muscular coat at the base of the ileal papilla at the terminal ileum. Synonym: sphincteroid tract of ileum. (05 Mar 2000) |
| intestinum ileum | Twisted intestine. See: ileum. (05 Mar 2000) |