-
Olfactory
- innervates olfactory epithelium
- smell
- sensory
-
Optic
- innervates retina of the eye
- vision
- sensory
-
Oculo-motor
- innervates four of the six external eye muscles: sup. & inf. rectus, medial rectus, & inf. oblique. Muscle of the eyelids (levator palpebrae superioris): parasympathetic fibers to iris and ciliary bodies
- motor
-
Trochlear
- superior oblique muscles of the eyes
- motor
-
Trigeminal
- Sensory portion: ophthalmic branch; sup, face (nose and up). 2.Maxillarybranch; oral cavity, ant. 2/3 of tongue, teeth, skin of face from lops to nose. 3. Mandibular branch: skin of face from lips to nose, muscles of mastication (chewing -masseter and temporalis muscle)
- mixed
-
Abducens
- Efferent fibers to lateral rectus muscles of eyes for lateral eye movements
- motor
-
Facial
- Mixed
- Sensory portion: taste from anterior 2/3 tongue.
- Motor portion: all muscles for facial experession, autonomic fibers to lacriman glands andsubmaxillary and sublingual (salivary) glands
-
Acoustic(vestibulocochlear)
- sensory
- hearing and equilibrium
-
Glosso-pharyngeal
- mixed
- Sensory portion: sensation and taste from posterior 1/3 of tongue.
- Motor portion: movements of pharynx and sutonomic fibers to paratid glands (salivary glands)
-
Vagus
- mixed
- Sensory portion: afferent fibers from skin of ext. ear, pharynx, larynx, thoracic and abdominal viscera.
- Motor portion: efferent fibers to pharynx, tongue, larynx, and autonomic fibers to thoracic and abdominal viscera
-
Spinal accessory
- motor
- Efferent fibers to trapezius and sternocleidomastoid muscles for head and shoulder movements
-
Hypoglossal
- motor
- controls muscles of tongue
|
|
