anal region in dogs

The anus and surrounding regions. Encompasses both internal and external regions, where present. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the anal region is

The anus and surrounding regions. Encompasses both internal and external regions, where present. The atlas records it as a region at the region scale in the dog.

Where the anal region is

This dataset records no region or system for it. No positional evidence of any kind. Drawn outside the body so it can still be found and counted, never inside it.

What the anal region connects to

The atlas records 12 typed relationships for it, across 3 kinds of connection. a kind of organism subdivision.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the anal region. Only a minority of structures carry those edges here, so an empty answer means nothing has been recorded — not that there is nothing to record.

Also called

Also recorded as posterior and posterior end of organism. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001353, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• A kind of: organism subdivision.
• contains: anal canal, anal region skeletal muscle, anal region smooth muscle, embryonic cloaca, external anal sphincter and inferior rectal artery, and 4 more.
• Develops from: proctodeum.

Questions

Where is the anal region?

This dataset records no region or system for it. No positional evidence of any kind. Drawn outside the body so it can still be found and counted, never inside it.

What does the anal region connect to?

A kind of: organism subdivision.

Is the anal region 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.