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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 |
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Nerve 1? |
-Olfactory nerve (N I) -no branches -Primary function: special sensory (smell) -Foramen: olfactory foramina of ethmoid -Innervation: olfactory epithelium |
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Nerve 2? |
-Optic Nerve (N II) -no branches -Primary Function: Special sensory (vision) -Foramen: optic canal -Innervation: Retina of eye |
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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 |
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Nerve 4? |
-Trochlear (N IV) -No branches -Motor and propriception -Superior Orbital Fissure -Superior Oblique Muscle |
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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
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Nerve 6? |
Abducens (N VI) -no branches -motor and proprioception -superior orbital fissure -lateral rectus muscle |
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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 |
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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) |