orbicularis oris muscle

The Lip position would contract the orbicularis oris muscle, resulting in a frown.

The orbicularis oris muscles around his lips clamp his mouth into a thin straight line.

In human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircle the mouth.

This is your triangularis muscle pulling down the corners of your orbicularis oris muscle.

The lip pits extend into the orbicularis oris muscle, ending in blind sacs surrounded by mucous glands.

It occurs when the hard palate is tickled, resulting in contraction of the orbicularis oris muscle and lowering of the upper lip.

As time progresses, it spreads to the whole lid, then to the orbicularis oris muscle around the lips, and buccinator muscle in the cheekbone area.

The most important muscle involved is the orbicularis oris muscle, which is used to pucker the lips and informally known as the kissing muscle.

This muscle arises from the oblique line of the mandible, and inserts on the skin of the lower lip, blending in with the orbicularis oris muscle.

For example, in modeling a human face edge loops should follow the orbicularis oculi muscle around the eyes and the orbicularis oris muscle around the mouth.

The reverse process of twitching occurs in atypical hemifacial spasm; twitching starts in orbicularis oris muscle around the lips, and buccinator muscle in the cheekbone area in the lower face, then progresses up to the orbicularis oculi muscle in the eyelid as time progresses.