CranialandCervicalNerves
1
CranialNerves(MotorandSensoryDistribution):Schema
Plate119
I
Olfactory
Nasal cavity
II
Optic
Eye
III
Oculomotor
Ciliary muscle, sphincter
pupillae, and all external eye
muscles except those below
IV
Trochlear
Superior oblique muscle
VI
Abducent
Lateral rectus
muscle
V
Trigeminal
Motor—muscles of
mastication: tensor
tympani, tensor
veli palatini,
mylohyoid,
anterior belly
of digastric
Intermediate nerve
Motor—submandibular,
sublingual, lacrimal glands
Taste—anterior
2
/3 of
tongue, sensory soft palate
VIII
Vestibulocochlear
Cochlear
Vestibular
IX
Glossopharyngeal
Taste—posterior
1
/3 of tongue
Sensory—tonsil, pharynx, middle ear
Motor—stylopharyngeus,
parotid gland
X
Vagus
Motor—heart, lungs, palate, pharynx,
larynx, trachea, bronchi, GI tract
Sensory—heart, lungs, trachea,
bronchi, larynx, pharynx,
GI tract, external ear
XI
Accessory
Sternocleidomastoid,
trapezius muscles
Strap
muscles
(C1, 2, 3
fibers)
XII
Hypoglossal
Tongue
muscles
VII
Facial
Efferent (motor) fibers
Afferent (sensory) fibers
Spinal nerve fibers
Sensory—face,
sinuses, teeth, orbit
and oral cavities,
dura mater
Muscles of face,
stapedius, posterior
belly of digastric,
stylohyoid, occipitalis,
auricularis muscles
Ophthalmic
Maxillary
Mandibular
