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Basic neuroscience and molecular > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

I- Olfactory

A

OriginTelencephalon
Skull exitCribiform plate
ModalitySensory
FunctionsSense of smell

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2
Q

II- optic

A

OriginDiencephalon
Skull exitOptic foramen
ModalitySensory
FunctionsVision

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3
Q

III- oculomotor

A

OriginMidbrain
Skull exitSuperior orbital fissure
ModalityMotor
FunctionsEye movement, pupillary constriction, lens accommodation

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4
Q

IV- trochlear

A

OriginMidbrain
Skull exitSuperior orbital fissure
ModalityMotor
FunctionsEye movement

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5
Q

V-trigeminal

A

OriginPons
Skull exitSuperior orbital fissure (ophthalmic V1)
Round foramen (maxillary V2)
Oval foramen (mandibular V3)
ModalityMixed
FunctionsChewing, sensation of anterior 2/3 of scalp, tenses tympanic membrane*

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6
Q

VI- abducens

A

OriginPons
Skull exitSuperior orbital fissure
ModalityMotor
FunctionsEye movement

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7
Q

VII- facial

A

OriginPons
Skull exitInternal auditory canal
ModalityMixed
FunctionsFacial expression, taste anterior 2/3 of tongue, tension on stapes*

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8
Q

VIII-vestibulocochlear

A

OriginPons
Skull exitInternal auditory canal
ModalitySensory
FunctionsHearing

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9
Q

IX- glossopharyngeal

A

OriginMedulla
Skull exitJugular foramen
ModalityMixed
FunctionsTaste posterior 1/3 of tongue, elevation of larynx and pharynx, swallowing

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10
Q

X-vagus

A

OriginMedulla
Skull exitJugular foramen
ModalityMixed
FunctionsSwallowing, voice production, parasympathetic supply to nearly all thoracic and abdominal viscera

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11
Q

XI-accessory nerve

A

OriginMedulla
Skull exitJugular foramen
ModalityMotor
FunctionsShoulder shruging and head turning

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12
Q

XII-hypoglossal nerve

A

OriginMedulla
Skull exitHypoglossal canal
ModalityMotor
FunctionsTongue movement

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Basic neuroscience and molecular (55 decks)

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