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23 Cards in this Set
- Front
- Back
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Frontal nerve
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superficial to the levator palpebrae
(superficial layer of eye) |
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Supraorbital n.
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superficial to levator palpebrae, is the lateral of the two terminal brs of
the frontal nerve. It may have 2 branches. (superficial layer of eye) |
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Supratrochlear n
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superficial to levator palpebrae, is the medial of the two terminal brs
of the frontal nerve (superficial layer of eye) |
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CN IV (trochlear n.)
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on superficial surface of superior oblique. Difficult to see.
(superficial layer of eye) |
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Lacrimal n.
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courses lateral in the orbit to lacrimal gland. Difficult to see.
(superficial layer of eye) |
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Superior oblique
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on medial wall of orbit; superficial to medial rectus
(superficial layer of eye) |
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Levator palpebrae superioris
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most superficial muscle in middle of orbit, lies on superior rectus
(superficial layer of eye) |
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Superior rectus
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immediately deep to levator palpebrae superioris
(superficial layer of eye) |
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Lacrimal Gland
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in lateral, anterior aspect of orbit
(superficial layer of eye) |
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Nasocilliary n.
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courses from lateral to medial over the optic nerve
(neurovascular/intermediate plane of eye) |
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Long ciliary ns.
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arise from nasociliary n. over the optic n. then course to back of the eyeball. Difficult to see.
(neurovascular/intermediate plane of orbit) |
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Post. ethmoidal n.
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branches from nasociliary & courses medially to posterior ethmoid air cell.
Difficult to see. (neurovascular/intermediate plane of orbit) |
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Ant. ethmoidal n.
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branches from nasocility & courses medially to anterior ethmoid air cell.
Difficult to see. (neurovascular/intermediate plane of orbit) |
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Infratrochlear n.
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continuation of nasociliary after it gives rise to ant. ethmoidal n. Difficult to see.
(neurovascular/intermediate plane of orbit) |
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Abducens n. (CN VI)
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courses on medial surface of lateral rectus. Difficult to see.
(neurovascular/intermediate plane of orbit) |
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Optic n. (CN II)
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extends from back of eyeball to apex of orbit
(neurovascular/intermediate plane of orbit) |
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Ciliary g.
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located between optic n. and lateral rectus near apex of orbit
(neurovascular/intermediate plane of orbit) |
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Short ciliary ns.
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extend from ciliary ganglion over optic n. to back of eyeball
(neurovascular/intermediate plane of orbit) |
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Ophthalmic a.
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courses from lateral to medial over the optic nerve & accompanies the
nasociliary n. (neurovascular/intermediate plane of orbit) |
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Lateral rectus
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lateral aspect of orbit; deep to lacrimal nerve
(neurovascular/intermediate plane of orbit) |
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Medial rectus
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medial aspect of orbit; deep to superior oblique
(neurovascular/intermediate plane of orbit) |
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Inferior rectus
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deep to optic nerve; insertion is crossed inferiorly by the inferior oblique
(deep layer of orbit) |
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Inferior oblique
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most inferior of extraocular muscles; oriented obliquely along oribital floor.
(deep layer of orbit) |
