Cranial Nerves And Their Primary Functions

Front 1

Cranial nerve I

Back 1

Olfactory nerve
Senory nerve
major function is sense and smell
cells located in the Nasal epithelium

Front 2

Cranial nerve II

Back 2

optic nerve
sensory--> Vision
cells lie in the Retina

Front 3

Cranial nerve III

Back 3

Oculomotor nerve
motor
eye movements. papillary contriction and accomodation muscle of eye lids
location: Oculomotor nucleus in midbrain; Edinger westphal nucleus in the midbrain

Front 4

Cranial nerve IV

Back 4

Trochlear nerve
motor
eye movements
trochlear nucleus in midbrain

Front 5

Cranial nerve V

Back 5

Trigeminal nerve
sensory and motor
control muscle of facial expression, taste from the anterior tongue, lacrimal and salivary glands

located facial muscle nucleus; superior salvatory nuclei in pons; trigeminal ganglion

Front 6

Cranial nerve VI

Back 6

abducens nerve
motor
eye movements
abducens nuclei in midbrain

Front 7

Cranial nerve VII

Back 7

facial nerve
sensory and motor
controls the muscles of facial expression; taste from anterior tongue; lacrimal and salivary glands
location
facial motor nucleus superior salvatory nuclei in pons trigemianl ganglion

Front 8

Cranial nerve VIII

Back 8

Vestibulocochlear (auditory) nerve
Sensory
hearing and sense of balance
location
spiral ganglion, vestibular ganglion

Front 9

cranial nerve IX

Back 9

Glossopharyngeal nerve
sensory and motor
sensation from pharynx taste from the posterior tongue lacrimal and salivary glands

Front 10

cranial nerve X

Back 10

vagus nerve
sensory and motor
autonomic function of gut sensation from pharynx muscles of vocal cords swallowing

Front 11

Cranial nerve XI

Back 11

spinal accessory nerve
motor
shoulder and neck muscles
spinal accessory nucleus, nucleus ambigous intermediolateral column of the spinal cord

Front 12

Cranial nerve XII

Back 12

Hypoglossal
motor
movements of tongue
hypoglossal nucleus of medulla