Want this question answered?
Orbicularis oris. Controls the puckering of your lips (labia).
It is called orbicularis orus. Yes, it is a sphincter muscle.
Orbicularis Oris is the principal muscle of the lips!
The Iris.
The part of the human brain which controls voluntary muscle movement (controlled muscle movement) is called the Cerebellum. This part of the brain also controls your balance.cerebellum
The muscle called the urethral sphincter muscle is what constricts in the urethra. The urethral orifice is what is actually constricted by the urethral sphincter.
The iris.
the motor unit
The Obicularus oris is the muscle in your lips one uses for kissing.
buccinator
Pretty much dry lips or loss of muscle tone in the lips. Loss of muscle tone in the lips could be meds or could be the indicator of a minor stroke
The orbicularis oris is the facial muscle responsible for puckering or pursing the lips.