The fibers of the orbicular oris encircle the mouth. It has origin points on the maxilla and mandible and insertion points encircle the mouth.
buccinator muscle
mentralis buccula
orbicularis oris
orbicularis oris
The Orbicularis Oris Muscle
Depressor Anguli Oris Muscle and Mentalis Muscle
orbicularis oris
orbicularis oris
Sphincter Muscle
The eyes' muscle group is the orbicularis oculi
Orbicularis Oris is the principal muscle of the lips!
the orbicularis oris muscle