Zygomatic muscle

About the zygomatic muscle of the horse

Zygomatic muscle is a muscle of the head (head), on the left side. Its name in the Nomina Anatomica Veterinaria is Musculus zygomaticus. 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 fascia covering the masseter muscle below the facial crest.

Insertion

The commissure of the lips, blending with the buccinator.

Action

To retract and raise the angle of the mouth.

Nerve

The buccal branches of the facial nerve.

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

Zygomatic muscle

Latin (NAV)

Musculus zygomaticus

Status

A valid term in the Nomina Anatomica Veterinaria

The zygomatic muscle in other animals

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

• Zygomatic muscle of the dog
• Zygomatic muscle of the cat

Questions about the zygomatic muscle

What is the Latin name of the zygomatic muscle?

In the Nomina Anatomica Veterinaria, the zygomatic muscle is called Musculus zygomaticus.

Where is the zygomatic muscle of the horse?

Zygomatic muscle is a muscle of the head (head), on the left side.

Where does the zygomatic muscle originate and insert?

Origin: The fascia covering the masseter muscle below the facial crest. Insertion: The commissure of the lips, blending with the buccinator.

What nerve supplies the zygomatic muscle?

The buccal branches of the facial nerve.

What does the zygomatic muscle do?

To retract and raise the angle of the mouth.