Cranial Nerves Dural And Skull Exit Flashcards
1
Olfactory nerve
S: Cribiform plate
D: Cribiform plate
2
Optic nerve
D: Posterior pole of eyeball
S: Optic canal
3
Oculomotor nerve
D: Cavernous sinus (lateral wall) b.w the ant and post petroclinoid folds
S: Sup orbital fissure
4
Torchlear
D: Cavernous sinus (lateral wall) enters within the petroclinoid fold
S: Sup orbital fissure
5
Trigeminal
D: V1/V2: Cavernous sinus V3: Foramen ovale (meckels cave)
S: V1: Sup orbital fissure V2: Rotundum V3: Ovale
6
Abducent
D: Cavernous sinus (freely) Ascends in the dorellos canal, far below the post petroclinoid fold
S: Sup orbital fissure
7
Facial
Fundus of internal acoustic meatus
8
Vestibulocochlear
Fundus of internal acoustic meatus
9
Glossopharyngeal
Jugular foramen (anterior pars nervosa)
10
Vagus
Jugular foremen (anterior pars nervosa)
11
Accessory
Jugular foramen
12
Hypoglossal
Hypoglossal canal