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Neurovasculature of the neck > Cervical vertebrae > Flashcards

Cervical vertebrae Flashcards

1
Q

what are the functions of cervical vertebrae

A

provide attachment sites for muscles

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2
Q

flexion

A

forward bending of the neck

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3
Q

extension

A

back bending of the neck

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4
Q

four regions of vertebrae

A

cervical, thoracic, lumbar, sacral

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5
Q

kyphotic curve

A

convex
thoracic

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6
Q

lordotic curve

A

concave
cervical, lumbar

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7
Q

what does the vertebral foramen house

A

spinal chord and dens

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8
Q

atlanto-occipital joint

A

connects atlas to occipital bone

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9
Q

what articulates with occipital condyles

A

superior articular surface of lateral masses on atlas

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10
Q

what does inferior articular surface of lateral mass on atlas articulate with

A

superior articular surface of lateral masses on axis

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11
Q

what is dens

A

superior projecting bony element from C2

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12
Q

what articulates with dens

A

posterior surface of anterior arch of atlas

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13
Q

annulus fibrosus

A

equalises pressure across disc preventing damage

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14
Q

what is axis responsible for

A

50% of lateral neck movement

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15
Q

what passes through transverse foramen

A

vertebral artery, sympathetic nerve plexus and vertebral venous plexus

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16
Q

ligamenta flava

A

passes between each lamina
prevents separation of lamina

17
Q

how many cervical vertebrae are there

A

7

18
Q

where is the brachial plexus

A

C5-T1

19
Q

ligamentum nuchae

A

supports head
resists excessive flexion
runs from C7- skull

20
Q

supraspinous ligament

A

connects tips of spinous processes from C7-L3 and L4

21
Q

what are the vertebral articulations

A

4 synovial joints (2 above and 2 below)
bilateral superior and inferior
2 symphyses

22
Q

interspinous ligaments

A

attach from base of each spinous process to blend with supraspinous ligament posteriorly and ligament flava anteriorly on each side

23
Q
A

Neurovasculature of the neck (2 decks)

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