Facial Muscles Flashcards
Temporalis Innervation
CN V3
Temporalis Function
Elevates mandible to close jaw
Masseter Innervation
CN V3
Masseter Function
Elevates mandible to close jaw
Buccinator Function
Tightens cheek
Buccinator Innervation
CN VII
Medial pterygoid Function
Elevates mandible to close jaw, small grinding movement to aid chewing
Medial pterygoid Innervation
CN V3
Lateral pterygoid Function
Protracts mandible and depresses chin to to open jaw, moves jaw back and forth to aid chewing
Lateral pterygoid Innervation
CN V3
Frontalis Function
Elevates eyebrows, furrows brow
Frontalis Innervation
CN VII
Orbicularis oculi Function
Closes eyelids, winking, squinting
Orbicularis oculi Innervation
CN VII
Orbicularis oris Function
Closes lips, protrudes lips, moves lips