Download Cranial Nerve Chart

Steven Martorana
Cranial
Nerve
Components Principal Function
Olfactory (I)
Optic (II)
Oculomotor (III)
Special sensory
Special sensory
Motor
Somatic
Motor (autonomic)
Trochlear (IV)
Trigeminal (V)
Abducens (VI)
Facial (VII)
Vestibulocochlear
(VIII)
Glossopharyngeal
(IX)
Vagus (X)
Motor
Somatic
Mixed
Sensory
Motor (branchial)
Motor
Somatic
Mixed
Sensory
Motor (branchial)
Motor(autonomic)
Special sensory
Mixed
Sensory
Motor (branchial)
Motor (autonomic)
Mixed
Sensory
Motor (branchial)
Motor (autonomic)
Accessory (XI)
Hypoglossal (XII)
Motor
Branchial
Motor
Somatic
Olfaction (smell)
Vision (sight)
Movement of eyeballs.
Adjusts lens for near vision.
Constriction of pupil.
Movement of eyeballs.
Touch, pain, and thermal sensations from scalp, face, and oral
cavity.
Chewing and controls middle ear muscle.
Movement of eyeballs.
Taste from anterior two-thirds of tongue.
Touch, pain, and thermal sensations from skin in external ear canal.
Control of muscles of facial expression and middle ear muscle.
Secretion of tears and saliva.
Hearing and equilibrium.
Taste from posterior one-third of tongue.
Proprioception in some swallowing muscles.
Monitors blood pressure, oxygen and carbon dioxide levels in blood.
Touch, pain, and thermal sensations from skin of external ear and
upper pharynx.
Assists in swallowing.
Secretion of saliva
Taste from epiglottis.
Proprioception from throat and voice box muscles.
Monitors blood pressure, oxygen and carbon dioxide levels in blood.
Touch, pain, and thermal sensations from skin of external ear.
Sensations from thoracic and abdominal organs.
Swallowing, vocalization, and coughing.
Motility and secretion of gastrointestinal organs.
Constriction of respiratory passageways.
Decreases heart rate.
Movement of head and pectoral girdle.
Speech, manipulation of food, and swallowing.