External oblique muscle of the abdomen
Musculus obliquus externus abdominis
Compresses the abdomen in expiration, defecation and foaling, supports the viscera and bends the trunk.
About the external oblique muscle of the abdomen of the horse
External oblique muscle of the abdomen is a muscle of the body (trunk), on the left side. Its name in the Nomina Anatomica Veterinaria is Musculus obliquus externus abdominis. You can turn it above, see it in place in the body of the horse, and open it inside the whole animal in Vetomica.
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 lateral surfaces of the caudal ribs and the thoracolumbar fascia.
- Insertion
- The linea alba, the tuber coxae and the prepubic tendon.
- Action
- Compresses the abdomen in expiration, defecation and foaling, supports the viscera and bends the trunk.
- Nerve
- Ventral branches of the caudal intercostal nerves and of the first lumbar nerves.
Written for Vetomica in its own words from the standard reference anatomy of the horse; 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
The external oblique muscle of the abdomen in other animals
The same structure in the other animals in the Library, to compare.
Questions about the external oblique muscle of the abdomen
- What is the Latin name of the external oblique muscle of the abdomen?
- In the Nomina Anatomica Veterinaria, the external oblique muscle of the abdomen is called Musculus obliquus externus abdominis.
- Where is the external oblique muscle of the abdomen of the horse?
- External oblique muscle of the abdomen is a muscle of the body (trunk), on the left side.
- Where does the external oblique muscle of the abdomen originate and insert?
- Origin: The lateral surfaces of the caudal ribs and the thoracolumbar fascia. Insertion: The linea alba, the tuber coxae and the prepubic tendon.
- What nerve supplies the external oblique muscle of the abdomen?
- Ventral branches of the caudal intercostal nerves and of the first lumbar nerves.
- What does the external oblique muscle of the abdomen do?
- Compresses the abdomen in expiration, defecation and foaling, supports the viscera and bends the trunk.
See the external oblique muscle of the abdomen inside the whole horse.
Vetomica opens on this structure with every layer of the horse around it: peel back the skin and the muscles, cut a section through it, X-ray it, and practise naming it until you stop getting it wrong.
Free for 7 days, no card. After that the skeletons stay free.
