A&P: Week 9 Structure list-CRANIAL NERVES ONLY

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24 Terms

1
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Olfactory nerve

-Cranial nerve 1 (I)

-responsible for smelling

*Sensory nerve ONLY

<p>-Cranial nerve 1 (I)</p><p>-responsible for smelling</p><p>*Sensory nerve ONLY</p>
2
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Optic Nerve

-Cranial Nerve 2 (II)

-responsible for vision

*Sensory nerve ONLY

<p>-Cranial Nerve 2 (II)</p><p>-responsible for vision</p><p>*Sensory nerve ONLY</p>
3
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Oculomotor nerve

-Cranial nerve 3 (III)

-responsible for raising eyelid, directing eyeball, constricting iris, and controlling lens shape

*MOTOR NERVE ONLY

<p>-Cranial nerve 3 (III)</p><p>-responsible for raising eyelid, directing eyeball, constricting iris, and controlling lens shape</p><p>*MOTOR NERVE ONLY</p>
4
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Trochlear nerve

-Cranial nerve 4 (IV)

-Responsible for directing eyeball

*MOTOR NERVE ONLY

<p>-Cranial nerve 4 (IV)</p><p>-Responsible for directing eyeball</p><p>*MOTOR NERVE ONLY</p>
5
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Trigeminal nerve

-Cranial nerve 5 (V)

-LARGEST CRANIAL NERVE

3 divisions

1.) Ophthalmic

2.) Maxillary

3.) Mandibular

-Responsible for general sensory from scalp and face, ANTERIOR 2/3 of tongue and mastication

*Mixed nerve

<p>-Cranial nerve 5 (V)</p><p>-LARGEST CRANIAL NERVE</p><p>3 divisions </p><p>1.) Ophthalmic</p><p>2.) Maxillary</p><p>3.) Mandibular</p><p>-Responsible for general sensory from scalp and face, ANTERIOR 2/3 of tongue and mastication</p><p>*Mixed nerve</p>
6
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Abducens nerve

-Cranial nerve 6 (VI)

-Responsible for lateral rectus extrinsic eye muscle

*MOTOR NERVE

<p>-Cranial nerve 6 (VI)</p><p>-Responsible for lateral rectus extrinsic eye muscle </p><p>*MOTOR NERVE</p>
7
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Facial nerve

-Cranial nerve 7 (VII)

-responsible for TASTE FROM ANTERIOR 2/3 of tongue, facial expressions, parasympathetic impulses

*MIXED NERVE

<p>-Cranial nerve 7 (VII)</p><p>-responsible for TASTE FROM ANTERIOR 2/3 of tongue, facial expressions, parasympathetic impulses</p><p>*MIXED NERVE</p>
8
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vestibulocochlear nerve

-Cranial nerve 8 (VIII)

-responsible for hearing & equilibrium

-primarily a sensory nerve with a small motor component

<p>-Cranial nerve 8 (VIII) </p><p>-responsible for hearing & equilibrium</p><p>-primarily a sensory nerve with a small motor component</p>
9
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glossopharyngeal nerve

-Cranial nerve 9 (IX)

-responsible for general sensory from posterior 1/3 tongue, part of pharynx, visceral sensory, and carotid bodies. increases secretion from parotid salivary gland.

*MIXED NERVE

<p>-Cranial nerve 9 (IX)</p><p>-responsible for general sensory from posterior 1/3 tongue, part of pharynx, visceral sensory, and carotid bodies. increases secretion from parotid salivary gland.</p><p>*MIXED NERVE</p>
10
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vagus nerve

-Cranial nerve 10 (X)

-ONLY CRANIAL NERVE THAT EXTENDS BEYOND HEAD & NECK REGION

-responsible for regulating visceral sensory info to major organs, general sensory from external acoustic meatus.

-MIXED NERVE

<p>-Cranial nerve 10 (X)</p><p>-ONLY CRANIAL NERVE THAT EXTENDS BEYOND HEAD & NECK REGION</p><p>-responsible for regulating visceral sensory info to major organs, general sensory from external acoustic meatus.</p><p>-MIXED NERVE</p>
11
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accessory nerve

-cranial nerve 11 (XI)

-responsible for motor function of trapezius, sternocleidomastoid

*MOTOR NERVE

<p>-cranial nerve 11 (XI)</p><p>-responsible for motor function of trapezius, sternocleidomastoid</p><p>*MOTOR NERVE</p>
12
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hypoglossal nerve

-Cranial nerve 12 (XII)

-responsible for motor function of intrinsic and extrinsic tongue muscles

-*MOTOR NERVE

<p>-Cranial nerve 12 (XII)</p><p>-responsible for motor function of intrinsic and extrinsic tongue muscles </p><p>-*MOTOR NERVE</p>
13
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I

olfactory nerve

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II

optic nerve

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III

Oculomotor nerve

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IV

Trochlear nerve

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V

Trigeminal nerve

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VI

Abducens nerve

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VII

facial nerves

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VIII

vestibulocochlear nerve

21
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IX

Glossopharyngeal nerve

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X

vagus nerve

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XI

accessory nerves

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XII

hypoglossal nerve