Sadia12 months ago

What are the four layers of facial muscles?

What are the four layers of facial muscles? Superficial Facial Musculature Layer 1 Depressor anguli oris, zygomaticus minor, orbicularis oculi Layer 2 Depressor labii inferioris, risorius, platysma, zygomaticus major, levator labii superioris alaeque nasi Layer 3 Orbicularis oris, levator labii superioris Layer 4 Mentalis, levator anguli oris, buccinator