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Cranial Nerve Functions1
Cranial Nerve Functions1
12
Anatomy
Undergraduate 3
09/27/2012

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Cards

Term
Olfactory Nerve (CN 1)
Definition
GSA: From Smell
Term
Optic Nerve (CN II)
Definition
GSA: From Sight
Term
Oculomotor Nerve (CN III)
Definition
GSE: to 4 of 6 extrinsic eye muscles; muscles that raise eye lid;
GVE: to parasympathetic innervation to intrinsic eye muscles
Term
Trochlear Nerve (IV)
Definition
GSE: to 1 extrinsic eye muscle (superior oblique)
Term
Trigeminal Nerve (V)
Definition
GSA: from areas around orbit, the forehead, anterior scalp, sinuses, and upper nasal cavity
GSA: from mid-face (lower eyelid, nasal cavity, nose, cheeks, upper teeth, gums, upper lip, palate, maxillary dental arcade
GSA: from beard area, lower lip, teeth, gums, 2/3 of anterior tongue
GSE: to chewing (mastication)
Term
Abducens Nerve (VI)
Definition
GSE: to 1 extrinsic eye muscle (lateral rectus); abducts eye
Term
Facial Nerve (CN VII)
Definition
GSA: from Taste from 2/3 of anterior tongue.
GSE: to Facial expression muscles
GVA: from parasympathetic to lacrimal glands & salivary glands
Term
Vestibulocochlear Nerve (CN VIII)
Definition
GSA: Equilibrium (Vestibular); Hearing (Cochlear)
Term
Glossopharyngeal Nerve (CN IX)
Definition
GSA: from Pharynx and Posterior 1/3 tongue, sensory part of gag reflex
GSA: from Taste from Posterior 1/3 tongue
GVA: from carotid bodies, O2 and CO2 blood gases
GSE: to 1 swallowing
Term
Vagus Nerve (CN X)
Definition
GSA: from palate, pharynx, larynx
GVA: from organs
GSE: to muscles of palate, larynx, motor part of gag reflex
GVE: to parasympathetic GVE heart, lungs, most of GI tract
Term
Spinal Accessory Nerve (CN XI)
Definition
GSE: to SCM and traps
Term
Hypoglossal Nerve (CN XII)
Definition
GSE: to tongue muscles
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