lower lip

Lip that covers the lower portion of the mouth.[TAO]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the lower lip is

Lip that covers the lower portion of the mouth.[TAO]. The atlas records it as an anatomical structure at the organ scale in the human body.

Where the lower lip is

It sits in the head, within the digestive system. Not positioned individually, and containment is not asserted either. Drawn near structures of the same kind, which is a weak claim about location.

What the lower lip connects to

The atlas records 10 typed relationships for it, across 7 kinds of connection. part of lower jaw region.

Supply and innervation

Arterial supply: artery of lower lip. Venous drainage: vein of lower lip.

Also called

Also recorded as lower jaw lip and labium inferius oris. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001835, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: lower jaw region.
• A kind of: lip.
• Attaches to: mentalis muscle.
• contains: frenulum of lower lip, lower vermilion, mucosa of lower lip and skin of lower lip.
• Supplied by: artery of lower lip.
• inserts into: depressor labii inferioris.
• Drained by: vein of lower lip.

Questions

Where is the lower lip?

It sits in the head, within the digestive system. Not positioned individually, and containment is not asserted either. Drawn near structures of the same kind, which is a weak claim about location.

What does the lower lip connect to?

Part of: lower jaw region.

Is the lower lip 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.