BRADA EXT DURRAL EXIT CIRANAL EXT
CN I Olfactory Trigone cribriform plate -
(since it doesn't leave skull)
Olfactory
CN 11 Optic chiasma
Optic Sheath Optic canal
Optic
superior orbital fissure
CN III
Oculomotor
interpeduncular fossa Cavernous Sinus
A
a colliculi and
CN IV orbital fissure
Trochlear sup .
medullary velum cavernous sinus superior
CNV Pontocerebellar ve :
Sup Orbital fissure
Meckel's
.
Trigeminal cave
angle V2 :
foramen rotundum
* anteriorly
v3 :
foramen ovale
Ponto-medullary Dovello's canal superior orbital fissure
SNVI
Junction
Abducent
lascends along clivus)
CN VII
Pontocerebellar Internal acoustic stylomastoid foramen
angle meatUs
Facial * posteriorly
Pontocerebellar Internal acoustic
CN VIII -
Vestibulocochlear
angle meatus
*
posteriorly
foramen
CN IX
Lateral parolivar Jugular Jugular foramen
Sulcus
Glossopharyngeal
Lateral parolivar
CNX
vagus SUICUS
Jugular foramen
Jugular foramen
Lateral parolivar ulcus
Cranial
:
CNX) spinal :
c-cosegments
Jugular foramen
Jugular foramen
Accessory
Medial parolivar
CN XII suicus
Hypoglossal canal Hypoglossal canal
Hypoglossal
,
, GRANIAL NERVES
n
oculomotor
.
trocklearn .
trigeminal n.
abducent n .
facial n .
vestibulocochlear
n .
glossopharyngeal n .
vagus n .
accessory n .
hypoglossal n .