Transversus thoracis
Musculus transversus thoracis
Draws the costal cartilages toward the sternum, narrowing the chest in expiration.
About the transversus thoracis of the horse
Transversus thoracis is a muscle of the body (trunk), on the right side. Its name in the Nomina Anatomica Veterinaria is Musculus transversus thoracis. 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 dorsal surface of the sternum.
- Insertion
- The costal cartilages, on their inner aspect.
- Action
- Draws the costal cartilages toward the sternum, narrowing the chest in expiration.
- Nerve
- The intercostal 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
- Transversus thoracis
- Latin (NAV)
- Musculus transversus thoracis
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the transversus thoracis
- What is the Latin name of the transversus thoracis?
- In the Nomina Anatomica Veterinaria, the transversus thoracis is called Musculus transversus thoracis.
- Where is the transversus thoracis of the horse?
- Transversus thoracis is a muscle of the body (trunk), on the right side.
- Where does the transversus thoracis originate and insert?
- Origin: The dorsal surface of the sternum. Insertion: The costal cartilages, on their inner aspect.
- What nerve supplies the transversus thoracis?
- The intercostal nerves.
- What does the transversus thoracis do?
- Draws the costal cartilages toward the sternum, narrowing the chest in expiration.
See the transversus thoracis 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.
