Orbicular muscle of the eye

About the orbicular muscle of the eye of the horse

Orbicular muscle of the eye is a muscle of the head (head), 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 head 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 palpebral ligament and the bone at the medial angle of the eye.

Insertion

Fibres run round both eyelids and back to the medial angle.

Action

Closes the eyelids.

Nerve

Facial nerve, auriculopalpebral branch.

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

Orbicular muscle of the eye

Latin (NAV)

Musculus orbicularis oculi

Status

A valid term in the Nomina Anatomica Veterinaria

The orbicular muscle of the eye in other animals

The same structure in the other animals in the Library, to compare.

• Orbicular muscle of the eye of the dog
• Orbicular muscle of the eye of the cat

Questions about the orbicular muscle of the eye

What is the Latin name of the orbicular muscle of the eye?

In the Nomina Anatomica Veterinaria, the orbicular muscle of the eye is called Musculus orbicularis oculi.

Where is the orbicular muscle of the eye of the horse?

Orbicular muscle of the eye is a muscle of the head (head), one on each side of the body.

Where does the orbicular muscle of the eye originate and insert?

Origin: The medial palpebral ligament and the bone at the medial angle of the eye. Insertion: Fibres run round both eyelids and back to the medial angle.

What nerve supplies the orbicular muscle of the eye?

Facial nerve, auriculopalpebral branch.

What does the orbicular muscle of the eye do?

Closes the eyelids.