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Neurosurgery > Neurosurgery > Flashcards

Neurosurgery Flashcards

1
Q

Location and contents of superior orbital fissure

A

Middle cranial fossa

CN III, IV, V1, VI, ophthalmic vein, sympathetic fibers

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2
Q

Location and content of foramen rotundum

A

Middle cranial fossa

CN V2

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3
Q

Location and content of foramen ovale

A

Middle cranial fossa

CN V3

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4
Q

Location and contents of foramen spinosum

A

Middle cranial fossa

Middle meningeal artery

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5
Q

Location and contents of internal auditory meatus

A

Posterior cranial fossa

CN VII, VIII

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6
Q

Location and contents of jugular foramen

A

Posterior cranial fossa

CN IX, X, XI, jugular vein

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7
Q

Location of hypoglossal canal

A

Posterior cranial fossa

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8
Q

Location and contents of foramen magnum

A

Posterior cranial fossa

Spinal roots of CN XI, brain stem, vertebral arteries

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9
Q

Location and contents of optic canal

A

Middle cranial fossa

CN II, ophthalmic artery, central retinal vein

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10
Q

Biceps reflex nerve root

A

C5

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11
Q

Triceps reflex nerve root

A

C7

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12
Q

Brachioradialis reflex nerve root

A

C6

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13
Q

Achilles reflex nerve root

A

S1

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14
Q

Strongest ligament of the spine?

A

Transverse ligament (atlantoaxial ligament) - horizontal part of cruciate lig

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15
Q

Most important structures in maintaining atlanto-occipital stability?

A
  1. Tectorial membrane

2. Alar ligaments (two portions connecting dens to occiput and C1)

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16
Q

Bones that come to make pterion

A
  1. Frontal
  2. Parietal
  3. Temporal
  4. Greater wing of sphenoid
17
Q

Sutures making up asterion

A
  1. OMS - occipitomastoid
  2. PMS - parietomastoid
  3. LS - lamb food
18
Q

What is stephanion made of?

A
  1. Superior temporal line

2. Coronal suture

19
Q

Main arterial supply of spinal cord from T8 to conus?

A

Artery of Adamkievicz (hairpin appearance on angio)

20
Q

Where is spinal cord watershed zone?

A

Midthoracic (so more susceptible to insults)

21
Q

Major arterial supply of spinal cord from T5 and up?

A

Radicular arteries

Neurosurgery (2 decks)

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