colon

A portion of the large intestine before it becomes the rectum. In mammals, the colon is the most part of the large intestine, excluding the vermiform appendix, the rectum and the anal canal. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the colon is

A portion of the large intestine before it becomes the rectum. In mammals, the colon is the most part of the large intestine, excluding the vermiform appendix, the rectum and the anal canal. The atlas records it as a organ at the organ scale in the human body.

Where the colon is

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

What the colon connects to

The atlas records 20 typed relationships for it, across 7 kinds of connection. part of large intestine.

Supply and innervation

Arterial supply: marginal artery of Drummond. Venous drainage: ileocolic vein.

Also called

Also recorded as large bowel, posterior intestine and hindgut. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001155, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: large intestine.
• A kind of: subdivision of digestive tract.
• contains: caecum, colic flexure, colonic epithelium, colonic mucosa, crypt of Lieberkuhn of colon and lumen of colon, and 7 more.
• flows to: rectum and large intestine.
• contributes to morphology of: large intestine.
• Drained by: ileocolic vein.
• Supplied by: marginal artery of Drummond.

Questions

Where is the colon?

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

What does the colon connect to?

Part of: large intestine.

Is the colon the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.