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
The muscle that has an origin on the zygomatic bone and inserts into the orbicularis oris muscle is the zygomaticus major muscle. This muscle helps in lifting the corners of the mouth when a person smiles.
mentralis buccula
The muscle around the mouth is called the orbicularis oris muscle. It is responsible for controlling movements of the lips and mouth, such as puckering and smiling.
orbicularis oris
The antagonist of the orbicularis oris muscle is the depressor anguli oris muscle. It is responsible for depressing the angle of the mouth, which opposes the action of the orbicularis oris muscle that closes and puckers the lips.
The muscle that starts with the letter "o" is the orbicularis oris, which is a circular muscle surrounding the mouth. It is responsible for controlling lip movements and aiding in actions such as puckering, kissing, and smiling.
orbicularis oris
The Orbicularis Oris Muscle
Depressor Anguli Oris Muscle and Mentalis Muscle
orbicularis oris
orbicularis oris