Nasolabial levator muscle

About the nasolabial levator muscle of the dog

Nasolabial levator muscle is a muscle of the head (head), on the left side. Its name in the Nomina Anatomica Veterinaria is Musculus levator nasolabialis. 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

Frontal and nasal bones.

Insertion

Upper lip and the lateral wall of the nostril.

Action

Raises the upper lip and dilates the nostril.

Nerve

Dorsal buccal 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

Bones it takes hold of

• Nasal bone
• Maxilla
• Frontal bone

Muscles and ligaments it works with

• Levator muscle of the upper lip
• Caninus
• Orbicularis oris
• Orbicular muscle of the eye
• Levator anguli oculi medialis
• Frontalis

Terminology

English

Nasolabial levator muscle

Latin (NAV)

Musculus levator nasolabialis

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
• Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the head
• Dyce, Sack & WensingThe head and ventral neck of the dog and cat
• Miller 2020 (book pass)ch. 6 The Muscular System, PDF p. 466

The nasolabial levator muscle in other animals

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

• Nasolabial levator muscle of the cat

Questions about the nasolabial levator muscle

What is the Latin name of the nasolabial levator muscle?

In the Nomina Anatomica Veterinaria, the nasolabial levator muscle is called Musculus levator nasolabialis.

Where is the nasolabial levator muscle of the dog?

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

Which bones does the nasolabial levator muscle attach to?

Nasolabial levator muscle takes hold of Nasal bone, Maxilla and Frontal bone.

Where does the nasolabial levator muscle originate and insert?

Origin: Frontal and nasal bones. Insertion: Upper lip and the lateral wall of the nostril.

What nerve supplies the nasolabial levator muscle?

Dorsal buccal branch of the facial nerve.

What does the nasolabial levator muscle do?

Raises the upper lip and dilates the nostril.