| Term | Definition |
|
olfactory |
cn I |
|
olfactory |
sensory nerve; smell |
|
optic |
cn II |
|
optic |
sensory nerve; acuity, visual fields |
|
oculomotor |
cn III |
|
oculomotor |
movement nerve; pupillary constriction, eyelids |
|
trochlear |
cn IV |
|
trochlear |
movement nerve; move eye up and down |
|
trigeminal |
cn V |
|
trigeminal |
sensory both sensory and movement nerve; opthalmic, maxillary, and mandibular, divisions, mastication and senses on face |
|
abducens |
cn VI |
|
abducens |
movement nerve; neuromuscular and lateral extraocular eye movement |
|
facial |
cn VII |
|
facial |
both sensory and movement nerves; moves facial muscles and taste of anterior 2/3 of tongue |
|
acoustic |
cn VIII |
|
acoustic |
a sensory nerve; cochlear function and vestibular function |
|
glossopharyngeal |
cn IX |
|
glossopharyngeal |
a sensory and movement nerve; motor control of the posterior 1/3 of tongue, middle ear, and eustachian tube |
|
vagus |
cn X |
|
vagus |
a sensory and movement nerve; sensory control for GI viscera, heart, lungs, aortic bodies; motor for palate, pharynx, larynx, thoracic, and abdominal organs |
|
spinal accessory |
cn XI |
|
spinal accessory |
a movement nerve; motor control for sternocleidomastoid and trapezius muscles |
|
hypoglossal |
cn XII |
|
hypoglossal |
a movement nerve; motor for tongue |