oral opening in dogs

The orifice that connects the mouth to the exterior of the body. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the oral opening is

The orifice that connects the mouth to the exterior of the body. The atlas records it as a organ at the organ scale in the dog.

Where the oral opening is

It sits within the digestive system. Only the system is known. The position shown carries almost no spatial information.

What the oral opening connects to

The atlas records 6 typed relationships for it, across 5 kinds of connection. part of mouth.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the oral opening. 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 oral fissure, oral orifice, mouth and oral part of face. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0000166, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: mouth.
• A kind of: anatomical structure.
• Adjacent to: tongue.
• contains: mandibular prominence and minor salivary gland.
• surrounded by: lip.

Questions

Where is the oral opening?

It sits within the digestive system. Only the system is known. The position shown carries almost no spatial information.

What does the oral opening connect to?

Part of: mouth.

Is the oral opening 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.