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Anatomy > Muscles of the Orbit > Flashcards

Muscles of the Orbit Flashcards

1
Q

What is the muscle of the orbit?

A

Orbicularis Oculi

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2
Q

What is the origin of the Orbicularis Oculi?

A

medial palpebral ligament

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3
Q

What is the insertion of the Orbicularis Oculi?

A

orbital part: skin of lateral cheek

palpebral part: lateral palpebral raphe

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4
Q

What is the innervation of the Orbicularis Oculi?

A

temporal and zygomatic branches of CN VII

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5
Q

What is the blood supply of the Orbicularis Oculi?

A

supraorbital artery

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6
Q

What is the action of the Orbicularis Oculi?

A

closes the eyelids

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7
Q

What is noteworthy about the Orbicularis Oculi?

A

activated involuntarily in blink reflex

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Anatomy (17 decks)

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