ileum in dogs

The portion of the small intestine that extends from the jejunum to the colon. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the ileum is

The portion of the small intestine that extends from the jejunum to the colon. The atlas records it as a organ at the organ scale in the dog.

Where the ileum is

It sits within the digestive system. Positioned deliberately as part of this species body plan.

What the ileum connects to

The atlas records 14 typed relationships for it, across 7 kinds of connection. part of digestive tract, organ and small intestine.

Supply and innervation

Arterial supply: ileocolic artery and superior mesenteric artery. Venous drainage: ileal vein and ileocolic vein.

Also called

Also recorded as distal intestine, intestinum ileum, lower intestine and posterior intestine. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0002116, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: digestive tract, organ and small intestine.
• A kind of: anatomical structure.
• contains: crypt of Lieberkuhn of ileum, ileal epithelium and ileal mucosa.
• flows to: caecum and jejunum.
• Drained by: ileal vein and ileocolic vein.
• Supplied by: ileocolic artery and superior mesenteric artery.
• contributes to morphology of: small intestine.

Questions

Where is the ileum?

It sits within the digestive system. Positioned deliberately as part of this species body plan.

What does the ileum connect to?

Part of: digestive tract, organ and small intestine.

Is the ileum the same in other species?

This page describes the dog. The human record of the same structure sits beside it on /compare, over one shared model rather than two atlases built separately.