Neurovascular Pathways through the Skull Base Flashcards by Maggie Rodriguez

Q

cribriform plate

A

olfactory n. CN I
anterior and posterior ethmoidal arteries

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Q

optic canal

A

optic n. CN II
ophthalmic artery

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Q

superior orbital fissure

A

superior ophthalmic vein
trochlear n. CN IV
abducens n. CN VI
oculomotor n. CN III
ophthalmic n. CN V1
- lacrimal n.
- frontal n.
- nasociliary n.

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Q

foramen rotundum

A

maxillary nerve V2

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Q

foramen ovale

A

mandibular nerve V3
lesser petrosal nerve
accessory meningeal artery

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Q

carotid canal

A

internal carotid artery
internal carotid sympathetic plexus

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Q

foramen spinosum

A

middle meningeal artery
meningeal branch of mandibular nerve V3

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Q

hiatus of canal for lesser petrosal nerve

A

lesser petrosal nerve
superior tympanic artery

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Q

hiatus of canal for greater petrosal nerve

A

greater petrosal nerve

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Q

internal acoustic meatus

A

labyrinthine artery and vein
vestibulocochlear n. CN VIII
facial n. CN VII

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Q

jugular foramen

A

internal jugular vein
glossopharyngeal n. CN IX
vagus n. CN X
accessory n. CN XI
inferior petrosal sinus
posterior meningeal artery
sigmoid sinus

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Q

foramen magnum

A

spinal vein
anterior spinal artery
posterior spinal artery
medulla oblongata
accessory n. CN XI
vertebral artery

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Q

condylar canal

A

condylar emissary vein

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Q

hypoglossal canal

A

hypoglossal n. CN XII
venous plexus of hypoglossal canal

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Q

mastoid foramen

A

emissary vein

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Q

stylomastoid foramen

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A

facial n. CN VII
stylomastoid artery

Q

petrotympanic fissure

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A

anterior tympanic artery
chorda tympani

Q

foramen lacerum

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A

deep petrosal nerve
greater petrosal nerve

Q

lesser palatine foramina

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A

lesser palatine nerve
lesser palatine artery

Q

greater palatine foramen

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A

greater palatine nerve
greater palatine artery

Q

incisive canal

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A

nasopalatine nerve
greater palatine artery