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Gross Anatomy '15 Ex. III > Unit 4 - Head and Neck: Muscles of Facial Expression - Forehead, Nose, and Ear (Ex. III) > Flashcards

Unit 4 - Head and Neck: Muscles of Facial Expression - Forehead, Nose, and Ear (Ex. III) Flashcards

1
Q

orbicularis oculi

palpebral fissure and nose

A

O: M orbital margin; M palpebral ligament; lacrimal bone
I: skin around margin of orbit; S and I tarsal plates
Inn: facial n. (CN VII) branch
A: acts as orbital sphincter (closes eyelids) - palpebral portion gently closes and orbital portion tightly closes (winking)

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2
Q

frontal belly of occipitofrontalis

calvaria

A

O: epicranial aponeurosis
I: skin and subcutaneous tissue of eyebrows and forehead
Inn: facial n. (CN VII) branch
A: elevates eyebrows; wrinkles skin of forehead

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Gross Anatomy '15 Ex. III (89 decks)

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