ileum
/ˈɪlɪəm
/noun (plural ilea /ɪlɪə/) Anatomy
The third portion of the small intestine, between the jejunum and the caecum.The midgut eventually develops into distal duodenum, jejunum, ileum, caecum, appendix, ascending colon, and proximal two thirds of the transverse colon....
- The latter might be a confusion with ileum, the third portion of the small intestine.
- Ultimately, the shunts were converted to jejunoileostomies in which the upper portion of the jejunum was anastomosed to the lower portion of the ileum.
Derivatives
ileac
- Two tumors were spindle cell leiomyosarcomas (gastric and ileac); 1 was an epithelioid leiomyosarcoma of the colon; and 1 was an epithelioid GIST of the colon.
ileal
/ adjective ...- Sections from the ileum showed the polyps to be composed of multiple closely aggregated lymphoid follicles in the lamina propria of the ileal mucosa.
- Hydrochloric acid and pepsin secreted by the gastric mucosa cause the adjacent ileal mucosa of the intestine to erode and ulcerate since the normal protective mucosa is missing.
- Their mesentery contains ileal arteries and veins, which are also branches of the superior mesenteric artery.
Origin
Late 17th century: from medieval Latin, variant of ilium.