Cervical vertebrae Flashcards Preview

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Flashcards in Cervical vertebrae Deck (16):
1

Name of cavity in each transverse process

Foramen transversarium

2

Function of foramen transversarium

Transmits vertebral artery and vein in C1-6
Transmits accessory vertebral vein in C7

3

Shape of cervical vertebral foramen

Large
Triangular

4

Shape of cervical vertebral body

Small
Broad from side to side

5

What direction do the superior articular facets face

Upwards and backwards

6

What direction do the inferior articular facets face

Downwards and forwards

7

Names of C1, C2 and C7

Atlas - C1
Axis - C2
Vertebra prominens - C7

8

Articulations of atlas

Superior - occipit of skull (Atlanto-occipital joint)
Inferior - axis (Atlanto-axial joint)

9

Spinous processes of cervical vertebrae

All but C7 have a bifid spinous process

10

Differences between atlas and other cervical vertebrae

Atlas:
Wider
No vertebral body
No spinous process
Thicker vertebral arch

11

Features of axis

Dens/odontoid process
Nigged lateral mass
Large spinous process

12

Strongest cervical vertebra

Axis

13

What forms the pivot joint with the atlas
What does this prevent

Dens of atlas
Transverse ligament

Prevents horizontal displacement of atlas

14

Which cervical vertebra has the longest spinous process

C7

15

What movement does the atlanto-occipital joint allow for

Flexion and extension
(Nodding)

16

What movement does the atlanto-axial joint allow for

Lateral rotation
(Shaking head)

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