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9 Cards in this Set

  • Front
  • Back
What bones contribute to the orbit?
frontal
ethmoidal
lacrimal
maxillary
palatine
zygomatic
sphenoid
Describe the lacrimal apparatus?
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
What structures pass through the common tendinous ring?
optic nerve
inferior and superior divisions of occulomotor
nasociliary nerve
abducens nerve
opthalmic artery
What are the branches of the frontal nerve?
Supraorbital
Supratrochlear
nasociliary
lacrimal
What are the features of the nasociliary nerve?
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
What are the branches of the opthalmic artery?
lacrimal
central retinal
supraorbital
ethmoidal(A/P)
supratrochlear is terminal branch
What are the charecteristics of the opthalmic vein?
superior and inferior opthalmic veins
passes through superior orbital fissure
drains into cavernous sinus
Parasympathetic pathway
Edinger Westphal nucleus
Ciliary Ganglion
Targets include:
Pupillary Constrictors
Ciliary muscles for accomodation
Sympathetic Pathway
Superior cervical ganglion
travel via blood vessels into head
targets include
dilator pupillae muscle
superior tarsal muscle
postganglionic fibers