Cranial Nerves, Functions, and Locations

cranial nerve I

olfactory

cranial nerve II

optic

cranial nerve III

oculomotor

cranial nerve IV

trochlear

cranial nerve V

trigeminal

cranial nerve VI

abducens

cranial nerve VII

facial

cranial nerve VIII

vestibulocochlear

cranial nerve IX

glossopharyngeal

cranial nerve X

vagus

cranial nerve XI

accessory

cranial nerve XII

hypoglossal

olfactory nerve function

sensory - smell

optic nerve function

sensory - vision

oculomotor nerve function

motor - eye and eyelid muscles, pupil size

trochlear nerve function

motor - superior oblique eye muscles

trigeminal nerve function

ophthalmic (sensory) - upper face

maxillary (sensory) - middle face

mandibular (sensory & motor) - lower face/ chewing

abducens nerve function

motor - lateral eye movement

facial nerve function

sensory & motor & autonomic - facial expressions, taste anterior 2/3 tongue, tear and saliva production

vestibulocochlear nerve function

sensory - hearing and balance

glossopharyngeal nerve function

sensory & motor & autonomic -

posterior tongue taste (bitter/ sour), swallowing and gag

vagus nerve function

sensory & motor & autonomic - swallowing, speaking, taste sensation, cardiovascular

accessory nerve function

motor - works with vagus for swallowing, speaking, turning head, elevating shoulders

hypoglosseal nerve function

motor - tongue (speech, food manipulation, swallowing)

olfactory nerve cell body

olfactory bulb

optic nerve cell body

retina

oculomotor nerve cell body

midbrain

trochlear nerve cell body

midbrain

trigeminal nerve cell body

trigeminal ganglia

abducens nerve cell body

pons

facial nerve cell body

pons

vestibulocochlear nerve cell body

cochlea and vestibule

glossopharyngeal nerve cell body

medulla

vagus nerve cell body

medulla

accessory nerve cell body

cervical spinal cord

hypoglossal nerve cell body

medulla

olfactory cranial exit & bone

cribriform plate of ethmoid bone

optic cranial exit & bone

optic canal of sphenoid bone

oculomotor cranial exit & bone

superior orbital fissure of sphenoid bone

trochlear cranial exit & bone

superior orbital fissure of sphenoid bone

trigeminal cranial exit & bone

ophthalmic - superior orbital fissure

maxillary - foramen rotundum

mandibular - foramen ovale

of sphenoid bone

abducens cranial exit & bone

superior orbital fissure of sphenoid bone

facial cranial exit & bone

internal acoustic meatus of temporal bone

vestibulocochlear cranial exit & bone

internal acoustic meatus of temporal bone

glossopharyngeal cranial exit & bone

jugular foramen of the temporal/ occipital bone

vagus cranial exit & bone

jugular foramen of the temporal/ occipital bone

accessory cranial exit & bone

jugular foramen of the temporal/ occipital bone

hypoglosseal cranial exit & bone

hypoglossal calnal of the occipital bone