CRANIAL NERVES

CRANIAL NERVES

OLFACTORY

BRAIN EXIT: telencephalon

FXN type: sensory

fnx: sense of smell

SKULL EXIT: olfactory foramina

OPTIC

BRAIN EXIT: diencephalon

FXN type: sensory

fxn: sense of sight

SKULL EXIT: optic foramen

OCULOMOTOR, TROCHLEAR

BRAIN EXIT: mesencephalon
FXN type: motor
motor fxn: eye movement
SKULL EXIT: superior orbital fissure

TRIGEMINAL

BRAIN EXIT: metencephalon
FXN type: sensory and motor
CONTAINS: ophthalmic, maxillary, and mandibular branches

BRANCH: ophthalmic

Fxn: sense of face above eyes
skull exit: superior orbital fissure

fxn/skull exit BRANCH: maxillary

Fxn: sense of face between eyes/lips
skull exit: foramen rotundum

whats the fxn/skull exit of BRANCH: mandibular

Fxn: sense of face below lips, moves mandible
skull exit: foramen ovale

ABDUCENS

BRAIN EXIT: metencephalon
FXN type: motor
fxn: move eye movement
SKULL EXIT: superior orbital fissure

FACIAL

BRAIN EXIT: metencephalon
FXN type: both
fxn: move facial muscles, sense of taste (anterior 2/3 tongue)
SKULL EXIT: internal auditory meatus

VESTIBULOCOCHLEAR

BRAIN EXIT: metencephalon
FXN type: sensory
fxn: sense of equilibrium/hearing
SKULL EXIT: internal auditory meatus

GLOSSPHARYNGEAL

BRAIN EXIT: myelencephalon
FXN type: both
fxn: sense of test (posterior 1/3), move pharynx
SKULL EXIT: jugular foramen

VAGUS

BRAIN EXIT: myelencephalon
FXN type: both
fxn: visceral sense, moves throat, pharynx, larynx
SKULL EXIT: jugular foramen

ACCESSORY

BRAIN EXIT: myelencephalon
FXN type: motor
fxn: move accessory neck muscles
SKULL EXIT: jugular foramen

HYPOGLOSSAL

BRAIN EXIT: myelencephalon
FXN type: motor
fxn: moves tongue
SKULL EXIT: hypoglossal canal

number & nerve that exits olfactory foramina

1 olfactory nerve

number & nerve that EXITS OPTIC FORAMEN

2 optic

4 nerves that exit SUPERIOR ORBITAL FISSUE

oculomotor, trochlear, trigeminal ophthalmic, and abducens

branched nerve that exits FORAMEN ROTUNDUM

maxillary nerve

branched nerve that exits FORAMEN OVALE

mandibular nerve

nerves that exit INTERNAL AUDITORY MEATUS

facial & vestibulocochlear

nerves that exit JUGULAR FORAMEN

glossopharyngeal, vagus, accessory

number & nerve that exits HYPOGLOSSAL CANAL

12 hypoglossal