Ninth costal cartilage
Cartilago costalis IX
Hyaline cartilage that carries the rib to the sternum and gives the chest wall its spring.
About the ninth costal cartilage of the cat
Ninth costal cartilage is a cartilage of the chest (thorax), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Cartilago costalis IX. You can turn it above, see it in place in the chest of the cat, and open it inside the whole animal in Vetomica.
Where it runs from and to
What this structure is anchored to at each end, and what that lets it do.
- Origin
- Ventral end of its rib.
- Insertion
- Sternum for the sternal ribs, or the cartilage in front of it for the asternal ribs.
- Action
- Hyaline cartilage that carries the rib to the sternum and gives the chest wall its spring.
Written for Vetomica in its own words from the standard reference anatomy of the cat; the books it was checked against are listed below.
Measured on the specimen
What the ninth costal cartilage is in contact with in the model itself, with the share of the other structure’s surface it covers. A contact is not always a joint: bones that simply lie against one another are in this list too.
- Rib 97%
- Ninth costal cartilage20%
- Eighth costal cartilage14%
Measured on the left side.
Terminology
- English
- Ninth costal cartilage
- Latin (NAV)
- Cartilago costalis IX
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the ninth costal cartilage
- What is the Latin name of the ninth costal cartilage?
- In the Nomina Anatomica Veterinaria, the ninth costal cartilage is called Cartilago costalis IX.
- Where is the ninth costal cartilage of the cat?
- Ninth costal cartilage is a cartilage of the chest (thorax), one on each side of the body.
- Where does the ninth costal cartilage originate and insert?
- Origin: Ventral end of its rib. Insertion: Sternum for the sternal ribs, or the cartilage in front of it for the asternal ribs.
See the ninth costal cartilage inside the whole cat.
Vetomica opens on this structure with every layer of the cat 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.
