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Head & neck > Cranial nerves and foramina > Flashcards

Cranial nerves and foramina Flashcards

1
Q

CN I is ?

A

Olfactory N.
Sensory

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2
Q

CN II is ?

A

Optic N.
Sensory

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3
Q

CN III is ?

A

Oculomotor N.
Motor

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4
Q

CN IV is ?

A

Trochlear N.
Motor

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5
Q

What is CN V and name the 3 divisions.

A

Trigeminal N.
Ophtalmic division (V1)
Maxillary division (V2)
Mandibular division (V3

Mixted

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6
Q

CN VI is ?

A

Abducens N.
Motor

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7
Q

CN VII is ?

A

Facial N.
Mixed

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8
Q

CN VIII is ?

A

Vestibulocochlear N.
Sensory

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9
Q

CN IV is ?

A

Glossopharyngeal N .
Mixed

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10
Q

CN X is ?

A

Vagus N.
Mixed

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11
Q

CN XI is ? and what are the 2 divisions ?

A

Accessory N.
Spinal & cranial divisions
Motor

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12
Q

CN XII is ?

A

Hypoglossal N.
Motor

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13
Q

What passes through the incisive foramen ?

A

Nasopalatine N.
Greater palatine A.
Sphenopalatine A.

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14
Q

What passes through the greater and lesser palatine foramen ?

A

Greater and lesser palatine nerves & vessels

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15
Q

What passes through the foramen cecum ?

A

Nasal emissary veins

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16
Q

What passes through the cribiform foramen in the cribiform plate ?

A

Axons that forms the olfactory N.

17
Q

What passes in the anterior and posterior ethmoidal foramina ?

A

Ant & post ethmoidal vessels and N.

18
Q

What passes in the optic canal ?

A

Optic N and ophtalmic arteries

19
Q

What passes through the superior orbital fissure (SOF)

A

CN III, IV, V1, VI, opthalmic veins & sympathetic N.

20
Q

What passes through foramen rotundum ?

A

CN V2 (maxillary N)

21
Q

What passes trough foramen ovale ?

A

Mandibular division of trigeminal N (CN V3)
Accessory meningeal A.
Lesser petrosal N.
Emissary veins

22
Q

What passes through foramen spinosum ?

A

Middle meningeal A + V
Meningeal branch of CN V3

23
Q

What passes over foramen lacerum ?

A

Greater petrosal N.
Some meningeal arteriole branches & small veins.

24
Q

What passes through internal acoustic meatus ?

A

CN VII & VIII (facial & vestibulocochlear)

25
Q

What passes through the jugular foramen ?

A

CN IX, X, XI (cranial part)
Superior bulb of internal jugular vein
inferior petrosal & sigmoid sinuses
Meningeal branches of ascending pharyngeal and occipital arteries.

26
Q

What passes trough the condylar canal ?

A

Emissary veins

27
Q

What passes through foramen magnum ?

A

Medulla and meninges
Vertebral arteries
Spinal part of of CN XI
Dural veins
Ant & post spinal arteries

Head & neck (5 decks)

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