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9 Cards in this Set

  • Front
  • Back

What do you need to know for each nerve?

Name, Roman numeral, branch(es), primary function, foramen, innervation

Nerve 1?

-Olfactory nerve (N I)


-no branches


-Primary function: special sensory (smell)


-Foramen: olfactory foramina of ethmoid


-Innervation: olfactory epithelium

Nerve 2?

-Optic Nerve (N II)


-no branches


-Primary Function: Special sensory (vision)


-Foramen: optic canal


-Innervation: Retina of eye

Nerve 3?

-Oculomotor (N III)


-No branches


-Primary function: motor and proprioception


-Foramen: superior orbital fissure


-Innervation: inferior, medial and superior rectus; inferior oblique and levator palpebrae superioris muscles; intrinsic eye muscles

Nerve 4?

-Trochlear (N IV)


-No branches


-Motor and propriception


-Superior Orbital Fissure


-Superior Oblique Muscle

Nerve 5?

-Trigeminal (N V)


-3 branches


-Opthalmic


--sensory


--Superior orbital fissure


--Orbital Structures, Nasal cavity, forehead skin, upper eyelid, brows, nose(part)


-Maxillary


--Sensory


--Foramen rotundum


--low eyelid, superior lip, gums and teeth, cheek, palate, pharynx


-Mandibular


--mixed


--foramen ovale


--SENSORY: inferior lip, gums, teeth; palate, tongue(part)


--MOTOR: muscles of mastication


Nerve 6?


Abducens (N VI)


-no branches


-motor and proprioception


-superior orbital fissure


-lateral rectus muscle

Nerve 7?

Facial (N VII)


-no branches


-mixed primary fnctn


-internal acoustic meatus to the facial canal; exits at stylomastoid foramen


-SENSORY


--taste receptors on anterior 2/3 of tongue


-MOTOR


--facial expression muscles, lacrimal gland, submandibular gland, sublingual salivary glands

Nerve 8?

Vestibulocochlear (N VIII)


-mixed


-2 branches


-cochlear


--spec. Sensory


--internal acoustic meatus


--cochlea(hearing receptors)


-vestibular


--spec. Sensory


--internal acoustic meatus


--vestibule(motion and balance receptors)