41. The freed vitamin B12 then binds to intrinsic factor which is then absorbed by the enterocytes in the ileum . 42. The ileum follows the duodenum and jejunum and is separated from the cecum by the ileocecal valve ( ICV ). 43. The "'mesoappendix "'is the portion of the mesocolon connecting the ileum to the appendix. 44. The end of the ileum is then brought out through an opening ( a stoma ) in the abdominal wall. 45. Because the terminal ileum is the most common site of involvement and is the site for K may be deficient. 46. IBAT is most highly expressed in the ileum , where it is found on the brush border membrane of enterocytes. 47. An ileostomy comes out of the ileum , which is the bottom of the small intestine, just above the colon. 48. This is due to a decrease in bile acid resorption in the ileum and the bile gets excreted in the stool. 49. Bile acid diarrhea is another complication following surgery for Crohn's disease in which the terminal ileum has been removed. 50. In time, other parts of the ileum and other regions of the body are teaming with millions of the mycobacteria.
