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9 Cards in this Set
- Front
- Back
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What bones contribute to the orbit?
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frontal
ethmoidal lacrimal maxillary palatine zygomatic sphenoid |
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Describe the lacrimal apparatus?
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secretes lacrimal fluid in order to moisten the cornea and sclera. Collects fluid through puncta and drains them first into the lacrimal sac and eventually into the nasolacrimal duct
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What structures pass through the common tendinous ring?
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optic nerve
inferior and superior divisions of occulomotor nasociliary nerve abducens nerve opthalmic artery |
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What are the branches of the frontal nerve?
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Supraorbital
Supratrochlear nasociliary lacrimal |
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What are the features of the nasociliary nerve?
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passes over the optic nerve from lateral to medial
gives off branch to back of eyeball-long ciliary nerve gives anterior and posterior ethmoidal nerves Infratrochlear nerve roots of ciliary ganglion |
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What are the branches of the opthalmic artery?
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lacrimal
central retinal supraorbital ethmoidal(A/P) supratrochlear is terminal branch |
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What are the charecteristics of the opthalmic vein?
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superior and inferior opthalmic veins
passes through superior orbital fissure drains into cavernous sinus |
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Parasympathetic pathway
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Edinger Westphal nucleus
Ciliary Ganglion Targets include: Pupillary Constrictors Ciliary muscles for accomodation |
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Sympathetic Pathway
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Superior cervical ganglion
travel via blood vessels into head targets include dilator pupillae muscle superior tarsal muscle postganglionic fibers |
