descending colon in dogs

The portion of the colon between the left colic flexure and the sigmoid colon at the pelvic brim; the portion of the descending colon lying in the left iliac fossa is sometimes called the iliac colon. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the descending colon is

The portion of the colon between the left colic flexure and the sigmoid colon at the pelvic brim; the portion of the descending colon lying in the left iliac fossa is sometimes called the iliac colon. The atlas records it as a organ at the organ scale in the dog.

Where the descending colon is

It sits within the digestive system. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.

What the descending colon connects to

The atlas records 7 typed relationships for it, across 5 kinds of connection. part of colon, digestive tract and organ.

Supply and innervation

Arterial supply: inferior mesenteric artery.

Also called

Also recorded as colon descendens. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001158, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

Questions

Where is the descending colon?

It sits within the digestive system. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.

What does the descending colon connect to?

Part of: colon, digestive tract and organ.

Is the descending colon 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.