Upper incisive muscle

About the upper incisive muscle of the horse

Upper incisive muscle is a muscle of the head (head), a single structure on the midline. Its name in the Nomina Anatomica Veterinaria is Musculus incisivus superior. 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 alveolar border of the incisive bone, from the corner incisor to its fellow.

Insertion

The upper lip.

Action

Draws the upper lip down against the teeth.

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

Upper incisive muscle

Latin (NAV)

Musculus incisivus superior

Status

A valid term in the Nomina Anatomica Veterinaria

Questions about the upper incisive muscle

What is the Latin name of the upper incisive muscle?

In the Nomina Anatomica Veterinaria, the upper incisive muscle is called Musculus incisivus superior.

Where is the upper incisive muscle of the horse?

Upper incisive muscle is a muscle of the head (head), a single structure on the midline.

Where does the upper incisive muscle originate and insert?

Origin: The alveolar border of the incisive bone, from the corner incisor to its fellow. Insertion: The upper lip.

What nerve supplies the upper incisive muscle?

The buccal branches of the facial nerve.

What does the upper incisive muscle do?

Draws the upper lip down against the teeth.