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Neuro
Cranial nerves
12
Medical
Undergraduate 3
04/05/2006

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Cards

Term
CN I
Definition
Olfactory
S: olfactory
Term
CN II
Definition
Optic
S: retina

Snellen Chart
Term
CN III
Definition
Oculomotor
M: four eye movement muscles and levator palpebrae
Parasympathetic: smooth muscle in eyeball
Term
CN IV
Definition
Trochlear
M: eye movement muscle, superior oblique
Term
CN V
Definition
Trigeminal
S: forehead, eye, nasal cavity, face, teeth, mouth, jaw, anterior tongue
M: muscles of mastication
Term
CN VI
Definition
Abducens
M: lateral rectus eye muscle
Term
CN VII
Definition
Facial
M: facial muscles of expression and cheek muscles
S: taste of front tongue

Protective eye blink
Term
VIII
Definition
Vestibulocochlear
S: equilibrium, cochlea
Term
CN IX
Definition
Glossopharyngeal
S: pharynx and posterior tongue, and taste
M: superor pharyngeal muscles

Gag reflex
Term
CN X
Definition
Vagus
S: viscera of thorax and abd
M: larynx and pharyngeal muscles
Parasympathetic: heart, lungs, GI

Gag reflex
Term
CN XI
Definition
Accessory
M: neck muscles, sternocleidomastoid and trapezius
Term
CN XII
Definition
Hypoglossal
M: tongue muscles
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