Transverse muscle of the abdomen
Musculus transversus abdominis
Compresses the abdomen; the deepest layer of the flank.
About the transverse muscle of the abdomen of the horse
Transverse muscle of the abdomen is a muscle of the body (trunk), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus transversus 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 medial surfaces of the caudal ribs and the transverse processes of the lumbar vertebrae.
- Insertion
- The linea alba, by a broad aponeurosis.
- Action
- Compresses the abdomen; the deepest layer of the flank.
- 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 horse; the books it was checked against are listed below.
Terminology
- English
- Transverse muscle of the abdomen
- Latin (NAV)
- Musculus transversus abdominis
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the transverse muscle of the abdomen
- What is the Latin name of the transverse muscle of the abdomen?
- In the Nomina Anatomica Veterinaria, the transverse muscle of the abdomen is called Musculus transversus abdominis.
- Where is the transverse muscle of the abdomen of the horse?
- Transverse muscle of the abdomen is a muscle of the body (trunk), one on each side of the body.
- Where does the transverse muscle of the abdomen originate and insert?
- Origin: The medial surfaces of the caudal ribs and the transverse processes of the lumbar vertebrae. Insertion: The linea alba, by a broad aponeurosis.
- What nerve supplies the transverse muscle of the abdomen?
- Ventral branches of the caudal thoracic and the lumbar nerves.
- What does the transverse muscle of the abdomen do?
- Compresses the abdomen; the deepest layer of the flank.
See the transverse 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.
