CN I
olfactory
sensory
cribiform plate of ethmoid bone
brain
CN II
optic
sensory
optic canal
brain
CN III
oculomotor
motor
superior orbital fissure
midbrain
CN IV
trochlear
motor
superior orbital fissure
midbrain
CN V
trigeminal both V1 - superior orbital fissure - opthalmic V2 - foramen rotundum - maxilliary V3 - foramen ovale - mandibular pons
CN VI
abducent
motor
superior orbital fissure
pontomedullary junction
CN VII
facial
both
stylomastoid foramen
pontomedullary junction
CN VIII
vestibulocochlear
sensory
internal acoustic meatus
pontomedullary junction
CN IX
glossopharyngeal
both
jugular foramen
medulla oblongata
CN X
vagus
both
jugular foramen
medulla oblongata
CN XI
spinal accesory
motor
jugular foramen
spinal cord
CN XII
hypoglossal
motor
hypoglossal canal
medulla oblongata