CN function

CN I

• Nose

• Eyes

• Movement of eye

• Sensory: Face, Sinuses, Teeth

  Motor: Muscles of mastication

• Inner ear

CN II

• Nose

• Eyes

• Movement of eye

• Sensory: Face, Sinuses, Teeth

  Motor: Muscles of mastication

• Inner ear

CN III

• Nose

• Eyes

• All eye muscles except 4 & 6

• Sensory: Face, Sinuses, Teeth

  Motor: Muscles of mastication

• Inner ear

CN IV

• Muscle of the Face

• Lateral Rectus Muscle

• Superior Oblique Muscle

• Sensory: Face, Sinuses, Teeth

  Motor: Muscles of mastication

• Inner ear

CN V

• Muscle of the Face

• Lateral Rectus Muscle

• Superior Oblique Muscle

• Sensory: Face, Sinuses, Teeth

  Motor: Muscles of mastication

• Inner ear

CN VII

• Muscle of the Face

• Lateral Rectus Muscle

• Superior Oblique Muscle

• Sensory: Face, Sinuses, Teeth

  Motor: Muscles of mastication

• Inner ear

CN X

• Muscle of the Face

• Motor: Heart, lungs, bronchi, gastrointestinal tract

  Sensory: Heart, lungs, bronchi, trachea, pharynx, gastrointestinal tract, external ear

• Muscles of the Tongue

• Sternocleidomastoid and trapezius muscles

• Inner ear

CN XII

• Muscle of the Face

• Motor: Heart, lungs, bronchi, gastrointestinal tract

  Sensory: Heart, lungs, bronchi, trachea, pharynx, gastrointestinal tract, external ear

• Muscles of the Tongue

• Sternocleidomastoid and trapezius muscles

• Inner ear

CN XI

• Muscle of the Face

• Motor: Heart, lungs, bronchi, gastrointestinal tract

  Sensory: Heart, lungs, bronchi, trachea, pharynx, gastrointestinal tract, external ear

• Muscles of the Tongue

• Sternocleidomastoid and trapezius muscles

• Inner ear

CN IX

• Motor: Pharyngeal musculature

  Sensory: Posterior part of tongue, tonsil, pharynx

• Motor: Heart, lungs, bronchi, gastrointestinal tract

  Sensory: Heart, lungs, bronchi, trachea, pharynx, gastrointestinal tract, external ear

• Muscles of the Tongue

• Sternocleidomastoid and trapezius muscles

• Inner ear