cranial nerves

• CN 1: olfactory

  function: sensory - smell
• CN 2: optic

  function: sensory - sight (retina)
• CN 3: oculomotor

  function: motor - eye movement and para-pupillary constriction
• CN 4: trochlear

  function: motor - dorsal oblique mm. of the eyes
• CN 5: Trigeminal

  function: motor and sensory - facial and oral cavity sensation and movement
• CN 6: Abducens

  function: motor - lateral rectus and retractor bulbi eye muscles
• CN 7: Facial

  function: motor and sensory - facial expression, sensation, salivation
• CN 8: vestibulocochlear

  function: sensory - acoustic
• CN 9: Glossopharyngeal

  function: motor and sensory - root tongue taste, pharynx and middle ear sensation
• CN 10: Vagus

  function: motor and sensory - pharynx, larynx and oesophagus mm. also thoracic and abdominal viscera
• CN 11: Accessory

  function: motor - trapezius, omotransversarius, celidocephalicus and sternocephalicus
• CN 12: Hypoglossal

  function: motor - muscles of the tongue