Zygomaticoauricular muscle

Musculus zygomaticoauricularis

  • Muscle
  • Head
  • Paired: left and right
  • Dog

Draws the ear forward.

About the zygomaticoauricular muscle of the dog

Zygomaticoauricular muscle is a muscle of the head (head), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus zygomaticoauricularis. You can turn it above, see it in place in the head of the dog, 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 scutiform cartilage and the fascia toward the zygomatic arch.
Insertion
Rostral border of the auricle.
Action
Draws the ear forward.
Nerve
Auriculopalpebral branch of the facial nerve.

Written for Vetomica in its own words from the standard reference anatomy of the dog; the books it was checked against are listed below.

What it works on

Muscles and ligaments it works with

Terminology

English
Zygomaticoauricular muscle
Latin (NAV)
Musculus zygomaticoauricularis
Status
A valid term in the Nomina Anatomica Veterinaria

References

Where to read this structure in full, and where the named parts above were read.

  • NAV 2017Myologia: Musculi capitis (Mm. auriculares)
  • Miller's Anatomy of the Dog, 5th ed.The Ear: muscles of the auricle
  • Dyce, Sack & WensingThe head and ventral neck of the dog and cat; the ear
  • Miller 2020 (book pass)ch. 6 The Muscular System, PDF p. 470

The zygomaticoauricular muscle in other animals

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

Questions about the zygomaticoauricular muscle

What is the Latin name of the zygomaticoauricular muscle?
In the Nomina Anatomica Veterinaria, the zygomaticoauricular muscle is called Musculus zygomaticoauricularis.
Where is the zygomaticoauricular muscle of the dog?
Zygomaticoauricular muscle is a muscle of the head (head), one on each side of the body.
Where does the zygomaticoauricular muscle originate and insert?
Origin: The scutiform cartilage and the fascia toward the zygomatic arch. Insertion: Rostral border of the auricle.
What nerve supplies the zygomaticoauricular muscle?
Auriculopalpebral branch of the facial nerve.
What does the zygomaticoauricular muscle do?
Draws the ear forward.

See the zygomaticoauricular muscle inside the whole dog.

Vetomica opens on this structure with every layer of the dog 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.

Join the community