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The orbicularis oris is the facial muscle responsible for puckering or pursing the lips.
The Orbicularis oris muscle. It is sometimes known as the kissing muscle because it is used to pucker the lips.
Orbicularis Oculi
Depressor Anguli Oris Muscle and Mentalis Muscle
Orbicularis Oris is the principal muscle of the lips!
orbicularis oris
mentralis buccula
the orbicularis oris muscle
orbicularis oris
Orbicular oris
It is called orbicularis orus. Yes, it is a sphincter muscle.
Orbicularis oris. Controls the puckering of your lips (labia).