| Cranial Nerve | Fiber Type | Innervation |
|---|---|---|
| Olfactory (I) | SVA | olfactory mucosa (covering ethmoidal labyrinth) & vomeronasal organ |
| Optic (II) | SVA | retina |
| Oculomotor (III) | SE VE |
four extraocular eye mm. & levator palpebrae superioris m.
pupillary constrictor & intraocular cilliary smooth muscle |
| Trochlear (IV) | SE | dorsal oblique eye m. |
| Trigeminal (V) | GSA SE |
face & oral cavity sensation; proprioception from muscles of the head
mastication mm. plus mylohyoideus, rostral digastricus, tensor tympani |
| Abducent (VI) | SE | lateral rectus & retractor bulbi eye mm. |
| Facial (VII) | SE VE SVA GSA |
muscles of facial expression; also, caudal digastricus & stapedius mm.
nasal, lacrimal, & ventral salivary glands (mandibular & sublingual) taste (from rostral 2/3s of the tongue) sensation from concave surface of the pinna |
| Vestibulocochlear (VIII) | SVA | cochlea (hearing) & vestibular apparatus |
| Glossopharyngeal (IX) | GVA SVA VE SE |
sensation from pharynx, middle ear, carotid sinus & carotid body
taste (from caudal 1/3 of the tongue) parotid & zygomatic salivary glands one muscle of pharynx (stylopharyngeus m.) |
| Vagus (X) | SE VE GVA GSA SVA |
muscles of pharynx, larynx, & striated muscle of the esophagus
thoracic & abdominal viscera sensation from larynx, also pharynx sensation from the external ear canal taste (from pharyngeal region) |
| Accessory (XI) | SE | trapezius, omotransversarius, cleidocephalicus & sternocephalicus mm. |
| Hypoglossal (XII) | SE | muscles of tongue (also, sternohyoideus & sternothyroideus mm.) |