Cranial Nerves Lab 5

Olfactory

Tel

I

special sensory

olfactroy epithelium (source)

Optic

Di

II

special sensory

Retina of eye (source)

Oculomotor

Mes

III

motor

4 extrinsic and intrinsic muscles of the eye (target)

Trochlear

Mes

IV

motor

1 extrinsic muscle of the eye (target)

Trigeminal

Met

V

Ophthalmic

Met

V1

Sensory

skin of upper 1/3 of face (source)

Maxillary

Met

V2

Sensory

Skin on middle 1/3 of face (source)

Mandibular

Met

V3

Sensory

Skin on lower 1/3 of face and pain of tongue (source)

Mandibular (2)

Met

V3

motor

muscles of mastication - 3 (target)

Abducens

Met

VI

motor

1 extrinsic muscle of the eye (target)

Facial

Met

VII

motor

muscles of facial expression

Facial (2)

Met

VII

special sensory

taste buds in anterior 2/3 of tongue (source)

Vestibulocochlear

Met/My

VIII

special sensory

inner ear (cochlea and vestibular apparatus) (source)

Glossopharyngeal

Mye

IX

special sensory

taste buds on posterior 1/3 of tongue (source)

Glossopharyngeal (2)

Mye

IX

motor

muscles of pharynx (target)

Vagus

Mye

X

sensory

skin across the throat + ext. acoustic meatus (source)

Vagus (2)

Mye

X

special sensory

gag reflex (source)

Vagus (3)

Mye

X

motor

smooth muscles of pharynx and gut (target)

Accessory

Mye

XI

motor

trapezius and SCM (target)

Hypoglossal

Mye

XII

motor

muscles of tongue (target)