noun (plural ilea /ɪlɪə/)Anatomy
- The third portion of the small intestine, between the jejunum and the caecum.More example sentences
- 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.
- More example sentences
- 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.
late 17th century: from medieval Latin, variant of ilium.
More definitions of ileumDefinition of ileum in:
- The US English dictionary