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Neuroscience 1 > Cranial Nerve 3 Functional Anatomy > Flashcards

Cranial Nerve 3 Functional Anatomy Flashcards

1
Q

What are the nuclei in CN III

A

-main oculomotor nucleus (GSE)
-Edinger-westpall nucleus (GVE)

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2
Q

What is the motor of superior rectus

A

-CN III

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3
Q

What is the motor of inferior rectus

A

-CN III

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4
Q

What is the motor of medial rectus

A

-CN III

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5
Q

What is the motor of lateral rectus

A

-CN VI

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6
Q

What is the motor of superior oblique

A

-CN IV

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7
Q

What is the motor of inferior oblique

A

-CN III

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8
Q

What is the motor of levator palpebrae

A

-CN III

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9
Q

What is GSE function of CN III

A

-eye movement (SR, IR, MR, IO)
-eyelid opener (levator palpebrae)

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10
Q

What is GVE function of CN III

A

-cilliary accomodation
-pupillary constriction (sphincter papillae)

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11
Q

What is the cranial nerve that arises from the midbrain and leaves it posteriorly through tectum

A

-CN IV

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12
Q

What are the branches of trigeminal nerve and which one of the is mixed (sensory and motor)

A

-V1 (opthalamic)
-V2 (maxillary)
-V3 (mandibular)

-V3 is mixed while V1 and V2 are purely sensory

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13
Q

What are the nuclei of CN V

A

-main sensory nucleus
-main motor nucleus
-mesencepalic nucleus
-spinal nucleus

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14
Q

What is the main function of spinal nucleus of CN V

A

-pain and temperature sensation of the face

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15
Q

What is the main function of mesencephalic nucleus of CN V

A

-proprioception

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16
Q

What are the branches of V1 and its main functions

A

-lacrimal (tears and eyelid touch sensation)
-frontal (upper head touch sensation)
-nasocilliary (corneal reflex)

(Leave me the French Toast aloNe)

17
Q

What are the branches of V2 and its main functions

A

-zygomatic (temporal, facial)
-infra-orbital (palpabral, nasal, labial)

(sensory function of these areas)

18
Q

What are the branches of V3 and its main functions

A

-motor: mastication and dampening of loud voice (tensor tympani)
-sensory; somatosensory anterior 2/3 of the tongue

19
Q

What are the branches of facial nerve

A

-temporal
-zygomatic
-buccal
-mandibular
-cervical

20
Q

What are the nucleus of facial nerve

A

-main motor nuclei
-parasympathetic nuclei
-main sensory nuclei

Neuroscience 1 (8 decks)

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