
Advertisement
The orbicularis oris muscle is a sphincter muscle that encircles the mouth. It lies between the skin and the mucous membranes of the lips, extending upward to the nose and down to the region between the lower lip and chin. It is sometimes called the kissing muscle because it causes the lips to close and pucker.
Displayed on other page
Join our Newsletter and receive our free ebook: Guide to Mastering the Study of Anatomy
Thank you for subscribing! Now please check your email to confirm your subscription.
We hate spam as much as you do. Unsubscribe at any time.