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ANT 3100: Chapter 13 - Cranial Nerves
Part 2
41
Anatomy
Undergraduate 1
11/01/2012

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Term
Cranial Nerve 1
Definition
olfactory nerve
Term
Cranial Nerve 2
Definition
optic nerve
Term
Cranial Nerve 3
Definition
oculomotor nerve
Term
Cranial Nerve 4
Definition
trochlear nerve
Term
Cranial Nerve 5
Definition
trigeminal nerve
Term
Cranial Nerve 6
Definition
abducent nerve
Term
Cranial Nerve 7
Definition
facial nerve
Term
Cranial Nerve 8
Definition
vestibulocochlear nerve
Term
Cranial Nerve 9
Definition
glossopharyngeal nerve
Term
Cranial Nerve 10
Definition
vagus nerve
Term
Cranial Nerve 11
Definition
accessory nerve
Term
Cranial Nerve 12
Definition
hypoglossal nerve
Term
function of the olfactory nerve
Definition
smell (s)
Term
anosmia
Definition
loss of smell
Term
function of optic nerve
Definition
vision (s)
Term
anopsia
Definition
loss of sight
Term
3 functions of oculomotor nerve
Definition
1) controls a group of muscles responsible for movement of the eyeball and eyelid (m)
2) accommodation of lens for near vision (ps)
3) constriction of the pupil (ps)
Term
strabismus
Definition
condition in which the eyes are not properly aligned with each other
Term
diplopia
Definition
double vision
Term
ptosis
Definition
droopy eyelid
Term
function of the trochlear nerve
Definition
controls the superior oblique muscle (involved with movement of the eyeball) [m]
Term
clinical application of the olfactory nerve
Definition
anosmia
Term
clinical application of the optic nerve
Definition
anopsia
Term
clinical application of the oculomotor nerve (3)
Definition
strabismus, diplopia, ptosis
Term
clinical application of the trochlear nerve (2)
Definition
strabismus, diplopia
Term
clinical application of the trigeminal nerve (2)
Definition
loss of muscle function, loss of facial sensation
Term
clinical application of the abducent nerve (2)
Definition
strabismus, diplopia
Term
clinical application of the facial nerve (2)
Definition
facial (Bell's) palsy; loss of taste on anterior 2/3 of tongue
Term
clinical application of the vestibulocochlear nerve (2)
Definition
vestibular branch: vertigo
cochlear branch: tinnitus
Term
clinical application of the glossopharyngeal nerve (3)
Definition
1) loss of taste on posterior 1/3 of tongue
2) decreased sensation to throat
3) difficulty swallowing
Term
clinical application of the vagus nerve (3)
Definition
1) decreased sensation to throat
2) difficulty swallowing
3) loss of parasympathetic functions in thorax and abdomen
Term
clinical application of the accessory nerve
Definition
loss of muscle function
Term
clinical application of the hypoglossal nerve
Definition
difficulty chewing, speaking, and swallowing
Term
2 functions of the trigeminal nerve
Definition
1) supplies "chewing muscles" [m]
2) sensation to the face [s]
Term
function of the abducent nerve
Definition
controls the lateral rectus muscle (involved with movement of the eyeball) [m]
Term
2 functions of the facial nerve
Definition
1) supplies muscles of "facial expression" [m]
2) supplies taste to anterior 2/3 of tongue [s]
Term
function of the vestibulocochlear nerve
Definition
vestibular branch: equilibrium [s]
cochlear branch: hearing [s]
Term
3 functions of the glossopharyngeal nerve
Definition
1) taste on posterior 1/3 of tongue [s]
2) sensation to throat [s]
3) supplies muscles involved with swallowing [m]
Term
3 functions of the vagus nerve
Definition
1) sensation to throat [s]
2) supplies muscles involved with swallowing [m]
3) carries parasympathetic information to thorax and abdomen [ps]
Term
function of the accessory nerve
Definition
supplies the trapezius and sternocleidomastoid muscles [m]
Term
function of the hypoglossal nerve
Definition
supplies muscles responsible for movement of tongue [m]
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