Face I Flashcards
Facial muscles are innervated by
CN VII
Facial function is bounded by
hairline, chin, & external ears
What are the 5 facial branches?
Temporal
Zygomatic
Buccal
Mandibular
Cervical
What are the lip raiser muscles?
- Levator labii superioris
- Zygomaticus major
- Zygomaticus minor
- Levator anguli oris
- Levator labii superioris alaeque nasi
- Risorius
What are the lip depressors?
- Depressor labii inferioris
- Depressor anguli oris
Mouth, Chin & Cheek muscles
Mouth = Orbicularis oris
Chin = Mentalis
Cheek = Buccinator
Action, posterior & anterior attachment of buccinator muscle
Action: presses mucosa against teeth
Posterior attachment: pterygomandibular raphe
Anterior attachment: corners of mouth, blending w/ the orbicularis oris
Muscles of the nose. What are the parts of the nasalis?
- Nasalis = Transverse & Alar
- Depressor septi
- Procerus
Muscles of the eyes. What are parts of the orbicularis oculi?
- Orbicularis oculi = Palpebral & Orbital
- Corrugator Supercilii
What is the facial gland called?
Parotid gland
Temporal branch of the facial n. innervates
frontalis, orbicularis, oculi, & corrugator supercilli
Zygomatic branch of the facial n. innervates
Orbicularis oculi
Buccal branch of the facial n. innervates
orbicularis oris, buccinator & zygomaticus
Marginal mandibular branch of the facial n. innervates
Mentalis
Cervical branch of the facial n. innervates
Platysma