Cranial Nerves

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Olfactory

Sensory fibers for olfaction

Optic

Sensory fibers for vision

Oculomotor

•Motor fibers to extrinsic eye muscles
•Parasympathetic motor fibers control focus of eye and size
of pupil

Trochlear

Motor fibers to one extrinsic eye muscle

Trigeminal

•Sensory fibers from skin of face, nasal mucosa, and oral mucosa
•Motor fibers to muscles of mastication

Abducens

Motor fibers to one extrinsic eye muscle

Facial

•Motor fibers to facial muscles
•Parasympathetic motor fibers to salivary glands
•Sensory fibers from taste buds

Vestibulocochlear

•Sensory fibers for sense of balance
•Sensory fibers for hearing

Glossopharyngeal

•Motor fibers to pharyngeal muscles
•Parasympathetic motor fibers to salivary glands
•Sensory fibers from taste buds
•Sensory fibers from pressure receptors in carotid arteries

Vagus

•Motor fibers to pharynx and larynx
•Sensory fibers from pharynx, larynx, and viscera
•Parasympathetic fibers to neck, thorax, and abdominal viscera

Accessory

Motor fibers to sternocleidomastoid and trapezius muscles

Hypoglossal

Motor fibers to muscles of the tongue

( ? )