anal canal in dogs

The terminal part of the large intestine, continuous proximally with the rectum and distally terminates with the anus. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the anal canal is

The terminal part of the large intestine, continuous proximally with the rectum and distally terminates with the anus. The atlas records it as a organ at the organ scale in the dog.

Where the anal canal is

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

What the anal canal connects to

The atlas records 11 typed relationships for it, across 8 kinds of connection. part of anal region and large intestine.

Supply and innervation

Arterial supply: inferior rectal artery. Venous drainage: anal sac.

Also called

Also recorded as anal canal, anal canal viewed anatomically, anatomical anal canal, anal pad, anus and canalis analis, and 4 more. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0000159, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: anal region and large intestine.
• A kind of: anatomical structure.
• Continuous with: anus and rectum.
• contains: gland of anal canal and inferior rectal artery.
• Supplied by: inferior rectal artery.
• surrounded by: internal anal sphincter.
• flows to: rectum.
• drains to: anal sac.

Questions

Where is the anal canal?

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

What does the anal canal connect to?

Part of: anal region and large intestine.

Is the anal canal 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.