Neurovascular Pathways through the Skull Base Flashcards
1
Q
cribriform plate
A
- olfactory n. CN I
- anterior and posterior ethmoidal arteries
2
Q
optic canal
A
- optic n. CN II
- ophthalmic artery
3
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.
4
Q
foramen rotundum
A
- maxillary nerve V2
5
Q
foramen ovale
A
- mandibular nerve V3
- lesser petrosal nerve
- accessory meningeal artery
6
Q
carotid canal
A
- internal carotid artery
- internal carotid sympathetic plexus
7
Q
foramen spinosum
A
- middle meningeal artery
- meningeal branch of mandibular nerve V3
8
Q
hiatus of canal for lesser petrosal nerve
A
- lesser petrosal nerve
- superior tympanic artery
9
Q
hiatus of canal for greater petrosal nerve
A
- greater petrosal nerve
10
Q
internal acoustic meatus
A
- labyrinthine artery and vein
- vestibulocochlear n. CN VIII
- facial n. CN VII
11
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
12
Q
foramen magnum
A
- spinal vein
- anterior spinal artery
- posterior spinal artery
- medulla oblongata
- accessory n. CN XI
- vertebral artery
13
Q
condylar canal
A
- condylar emissary vein
14
Q
hypoglossal canal
A
- hypoglossal n. CN XII
- venous plexus of hypoglossal canal
15
Q
mastoid foramen
A
- emissary vein
