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Cranial Nerves
functions
12
Anatomy
Graduate
06/22/2009

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Cards

Term
Olfactory
Definition
Cranial nerve I

smell
Term
optic
Definition
Cranial nerve II

vision and pupillary reactions
Term
oculomotor
Definition
Cranial nerve III

pupillary constriction, opening the eye
Term
trochlear
Definition
Cranial nerve IV

downward, internal rotation of the eye
Term
trigeminal
Definition
Cranial nerve V

corneal reflexes
motor - jaw movements (temporal and masseter muscles; lateral pterygoids)

sensory - facial. (three divisions: opthalmic, maxillary, and mandibular)
Term
abducens
Definition
Cranial nerve VI

lateral deviation of the eye
Term
facial
Definition
Cranial nerve VII
motor - facial movements, including expression, closing the eye, and closing the mouth
sensory - taste for salty, sweet, sour, and bitter substances on the anterior 2/3 of the tongue
Term
acoustic
Definition
Cranial nerve VIII
hearing and balance
Term
glossopharyngeal
Definition
Cranial nerve IX

swallowing and rise of the palate, gag reflex

motor - pharynx
sensory - posterior portions of the ear drums and ear canals, the pharynx, and posterior tongue including taste
Term
vagus
Definition
Cranial nerve X
motor - palate, pharynx, and larynx
sensory - pharynx and larynx
Term
spinal accessory
Definition
Cranial nerve XI
motor - the sternocleidomastoid and upper portion of the trapezius
Term
hypoglossal
Definition
Cranial nerve XII
motor - tongue
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