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Facial Expression
Muscles
Question | Answer |
---|---|
pterygoids | o: pterygoid plates of sphenoid bone i: medial surface of mandibular ramus a: elevate/protract/translates mandible |
suprahyoid | o: hyoid bone i: mandible, tounge, floor of brain case a: elevate hyoid, depress mandible, extend tongue |
infrahyoid | o: sternum, clavicle, larynx i: hyoid a: depress hyoid, retract tongue |
corruptor supercilii | wrinkles brow |
nasalis | wrinkles bridge of nose |
orbicularis oculi | closes eye |
orbicularis oris | closes/protrudes lips |
buccinator | compresses cheeks |
levator labii superioris | elevates upper lip |
depressor labii inferioris | depresses lower lip |
zygomaticus | elevates corner of mouth |
depressor anguli oris | depresses corner of mouth |
platysma | compresses neck, depresses mandible |