http://upload.wikimedia.org/wikipedia/commons/3/3d/Illu_small_intestine.jpg

TODO consider ZFA:0000706 posterior intestine, see also colon

uberon

posterior intestine, lower intestine, intestinum ileum, distal intestine

ileal

Although all vertebrates have a digestive tract and accessory glands, various parts of this system are not necessarily homologous, analogous, or even present in all species. Therefore, broad comparisons can be best made under the listings of headgut, foregut, midgut, pancreas and biliary system, hindgut.[uncertain][VHOG]

UBERON:0002116

The ileum is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine may be used instead of ileum.[Wikipedia:Ileum]

• ileal vein

• ileocolic artery
• superior mesenteric artery

• muscle layer of ileum
• submucosa of ileum
• mesentery of ileum
• smooth muscle fiber of ileum
• ileal mucosa
• microfold cell of epithelium proper of ileum