NOTE: Neither the olfactory nor the optic nerves are really cranial nerves since these
nerves are composed of fibers belonging to the central nervous system.
Movement of the eyeball, lens, and
Superior oblique muscle of the eye
Affects ophthalmic, maxillary, and mandible areas;
controls muscles of mastication
Moves the eye outward
Controls muscles of the face, scalp, ears; controls
salivary glands; receives taste sensation from the
anterior 2/3 of the tongue
Sensations from the pharynx and the posterior 1/3 of the
Sensory and motor to thoracic and abdominal viscera
Permits movement of head and shoulders
Controls muscles of tongue
Table 1-1. 12 pairs of cranial nerves and their functions.