EXAM Charts - Cranial nerves, orbit, tongue, pharynx, neck, mastication

CRANIAL NERVES
Cranial nerve Motor/sensory Exit from skull

Olfactory nerve (CN I) Sensory Cribiform plate

Optic nerve (CN II) Sensory Optic canal

Oculomotor nerve (CN III) Motor

Trochlear nerve (CN IV) Motor
Superior orbital fissure
Trigeminal V1 (ophthalmic nerve) (CN V) Sensory

Abducens nerve (CN VI) Motor

Trigeminal nerve V2 (maxillary nerve) (CN Sensory Foramen rotundum
V)

Trigeminal nerve V3 (mandibular nerve) (CN Motor Foramen ovale
V)

Facial nerve (CN VII) Both Stylomastoid foramen

Vestibulocochlear nerve (CN VIII) Sensory Internal acoustic meatus

Glossopharyngeal nerve (CN IX) Both

Vagus nerve (CN X) Both Jugular foramen

Spinal accessory nerve (CN XI) Motor

Hypoglossal (CN XII) Motor Hypoglossal canal

, Final Exam Muscle O,I,A,I Chart

MUSCLES OF THE EYE
*for actions simplified see diagram on slideshow lesson 11*​
*for innervations simplified see 3 bullet points on slideshow lesson 11*

Muscle Origin Insertion Action Innervation

Levator palpebrae Superior Elevation of upper Oculomotor nerve
superioris eyelid eye lid (CN III)

Superior oblique Sphenoid bone Intorsion, Trochlear nerve
depression, (CN IV)
abduction of
eyeball

Inferior oblique Extorsion,
Floor of orbit elevation,
abduction of
eyeball

Superior rectus Intorsion,
elevation, Oculomotor nerve
Sclera adduction of (CN III)
eyeball

Inferior rectus Extorsion,
Common depression,
tendinous ring adduction of
eyeball

Medial rectus Adduction of
eyeball

Lateral rectus Abduction of Abducens nerve
eyeball (CN VI)




MUSCLES OF MASTICATION
Muscle Origin Insertion Action Innervation

Temporalis Temporalis fossa Coronoid Elevation of jaw,
process of retracts mandible
mandible Trigeminal nerve -
mandibular
Masseter Zygomatic bone Angle and Elevation of jaw, branch (CN V3)
and arch lateral surface protracts mandible
of mandible