Levator labii superioris muscle

What is Levator labii superioris muscle?

Levator labii superioris muscle meaning Muscle of facial expression. Its main function is to raise the upper lip.Other muscles of facial expression include:BuccinatorFrontalisLevator labii superioris alaeque nasiMentalisOccipitalisOrbicularis orisRisoris Zygomaticus majorZygomaticus minor

 

reference: national Cancer Institute – Glossary for Registrars

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