abdominal internal oblique muscle

The lateral abdominal wall muscle that is deep to the external oblique and superficial to the transversus. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the abdominal internal oblique muscle is

The lateral abdominal wall muscle that is deep to the external oblique and superficial to the transversus. The atlas records it as a muscle at the organ scale in the human body.

Where the abdominal internal oblique muscle is

It sits in the abdomen and trunk, within the muscular system. Positioned deliberately as part of this species body plan.

What the abdominal internal oblique muscle connects to

The atlas records 7 typed relationships for it, across 6 kinds of connection. part of anterior abdominal wall.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the abdominal internal oblique muscle. 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 abdominal internal oblique muscle, internal oblique, obliquus internus abdominis, obliquus internus abdominis muscle, abdominal internal oblique and internal abdominal oblique, and 8 more. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0005454, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: anterior abdominal wall.
• A kind of: anterior abdominal wall muscle.
• inserts into: rib and xiphoid process.
• deep to: abdominal external oblique muscle.
• originates from: inguinal ligament.
• superficial to: transversus abdominis muscle.

Questions

Where is the abdominal internal oblique muscle?

It sits in the abdomen and trunk, within the muscular system. Positioned deliberately as part of this species body plan.

What does the abdominal internal oblique muscle connect to?

Part of: anterior abdominal wall.

Is the abdominal internal oblique muscle 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.