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21 Cards in this Set
- Front
- Back
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superior rectus origin
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common tendinous ring (attached to orbit around optic foramen)
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superior rectus insertion
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superior and central part of eyeball
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superior rectus action
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moves eyeball superiorly (elevation) and medially (adduction), and rotates it medially
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inferior rectus origin
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common tendinous ring (attached to orbit around optic foramen)
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inferior rectus insertion
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inferior and central part of eyeball
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inferior rectus action
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moves eyeball inferiorly (depression) and medially (adduction), and rotates it laterally
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laterial rectus origin
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common tendinous ring (attached to orbit around optic foramen)
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laterial rectus insertion
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lateral side of eyeball
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laterial rectus action
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moves eyeball laterally (abduction)
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medial rectus origin
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common tendinous ring (attached to orbit around optic foramen)
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medial rectus insertion
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medial side of eyeball
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medial rectus action
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moves eyeball medially (adduction)
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superior oblique origin
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sphenoid bone, superior and medial to the tendinous ring in the orbit
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superior oblique insertion
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eyeball between superior and lateral recti. The muscle inserts into the superior and laterial surfaces of the eyeball via tendon that passes through trochlea
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superior oblique action
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moves eyeball inferiorly (depression) and laterally (abduction) and rotates it medially
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inferior oblique origin
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maxilla in floor of orbit
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inferior oblique insertion
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eyeball between inferior and lateral recti
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inferior oblique action
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moves eyeball superiorly (elevation) and laterally (abduction) and rotates it laterally
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innervation
superior rectus, inferior rectus, medial rectus, and inferior oblique |
oculomotor nerve
(cranial nerve III) |
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innervation
lateral rectus |
abducens nerve
(cranial nerve VI) |
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innervation
superior oblique |
trochlear nerve
(cranial nerve IV) |
