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10 Cards in this Set

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  • Back
Boundaries of middle cranial fossa?
(anterior) lesser wing of sphenoid bone

(posterior) petrous ridge of temporal bone
Name the foramina in the middle cranial fossa. (there are 7)
-optic canals
-superior orbital fissure
-foramen rotundum, ovale, spinosum
-foramen lacerum
-groove/hiatus of greater petrosal nerve
Contents of OPTIC CANAL
optic nn. (CN II)
ophthalmic aa.
contents of SUPERIOR ORBITAL FISSURE
ophthalmic vv.
ophthalmic br. of trigeminal (CN V-1)
CN III/oculomotor
CN IV/trochlear
CN VI/abducent
sympathetic fibers
contents of FORAMEN ROTUNDUM
maxillary br. of trigeminal (CN V-2)
contents of FORAMEN OVALE
mandibular br. of trigem (CN V-3)
accessory meningeal a.
contents of FORAMEN SPINOSUM
middle meningeal a/v
meningeal br of mandibular n (CN V-3)
contents of FORAMEN LACERUM (closed by cartilage; structures pass horizontally across rather than vertically through)
internal carotid a.
(along with its venous and symp. plexuses)
contents of GROOVE/HIATUS OF GREATER PETROSAL N.
greater petrosal n.
petrosal br. of middle meningeal a.
contents & location of CAROTID CANAL
location: posteromedial to sphenoid bone in petrous temporal bone

contents: ICA and its plexuses enter cranium here