Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: Dec 9th, 2024

Click to View Larger Image

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.

No spam! Your privacy is important to us.

Fitness & Diet Hair & Skin Mental Health Wellness Research Human Body

About Us Editorial Policy Ad Policy Privacy Policy Terms of Use Do Not Sell My Info

Innerbody Research does not provide medical advice, diagnosis, or treatment. You must consult your own medical professional.