Orbicularis oculi
Musculus orbicularis oculi
Closes the eyelids.
About the orbicularis oculi of the pig
Orbicularis oculi is a muscle of the neck (neck), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus orbicularis oculi. You can turn it above, see it in place in the neck of the pig, 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
- No bony origin; the fibres encircle the palpebral fissure.
- Insertion
- Blends with the eyelid and the surrounding facial muscles.
- Action
- Closes the eyelids.
- Nerve
- Auriculopalpebral branch of the facial nerve.
Written for Vetomica in its own words from the standard reference anatomy of the pig; the books it was checked against are listed below.
Terminology
- English
- Orbicularis oculi
- Latin (NAV)
- Musculus orbicularis oculi
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the orbicularis oculi
- What is the Latin name of the orbicularis oculi?
- In the Nomina Anatomica Veterinaria, the orbicularis oculi is called Musculus orbicularis oculi.
- Where is the orbicularis oculi of the pig?
- Orbicularis oculi is a muscle of the neck (neck), one on each side of the body.
- Where does the orbicularis oculi originate and insert?
- Origin: No bony origin; the fibres encircle the palpebral fissure. Insertion: Blends with the eyelid and the surrounding facial muscles.
- What nerve supplies the orbicularis oculi?
- Auriculopalpebral branch of the facial nerve.
- What does the orbicularis oculi do?
- Closes the eyelids.
See the orbicularis oculi inside the whole pig.
Vetomica opens on this structure with every layer of the pig 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.
