External oblique muscle of the abdomen
Musculus obliquus externus abdominis
Compresses the abdomen and flexes the trunk.
- System
- Muscle
- Region
- Trunk
- Sides
- Paired: left and right

Where it runs from and to
A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.
- Origin
- The last nine or ten ribs, interdigitating with the serratus ventralis, and the thoracolumbar fascia.
- Insertion
- By its aponeurosis into the linea alba and the prepubic tendon.
- Action
- Compresses the abdomen and flexes the trunk.
- Nerve
- Ventral branches of the caudal thoracic and the lumbar nerves.
Written for Vetomica in its own words from the standard reference anatomy of the cat; the books it was checked against are listed below.
Terminology
- English
- External oblique muscle of the abdomen
- Latin (NAV)
- Musculus obliquus externus abdominis
- Status
- A valid term in the Nomina Anatomica Veterinaria
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