Exam 2 - Regions in Spinal Column Flashcards Preview

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Flashcards in Exam 2 - Regions in Spinal Column Deck (241)
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1

What are the 3 regions of the occiput?

Squamous portion
Lateral/condylar (2)
Basilar portion

2

Posterior part and most of the base of the cranium is formed by what

Occipital bone

3

What pass through foramen magnum?

Medulla oblongata
Vertebral arteries
Spinal arteries

4

Where the glossopharyngeal, vagus, and accessory cranial nerve exit the skull

Jugular foramen

5

The portion that connects to the sphenoid bone and is an area for attachment of many ligaments and muscles

Basilar portion

6

First _____ of flexion/extension of head and neck takes place here before any other vertebra move

50%

7

What are the 4 nuchal lines?

Median
Inferior
Superior
Highest

8

The largest part of the occiput that is posterior to the foramen magnum

Squamous portion

9

A typical cervical vertebra has _______ shaped bodies

Rectangular/oval

10

A typical cervical vertebra has _______ SP

Bifid

11

How many cervical lips does a typical cervical vertebra have?

3 - 2 superior lateral & 1 anterior inferior lip

12

in the typical cervical vertebra, the TP are _______ to the AP

Anterior

13

__________ ________ are ascension of the vertebral artery

Transverse foramen

14

What is a Costco-transverse lamella?

Groove on superior surface of the TVP for exit of the spinal nerve - typical cervical vertebra

15

A typical cervical vertebra has a ________ neural foramen

Triangular

16

Which cervical are typical

3,4,5,6

17

Peculiar cervical vertebra are..

1,2,7

18

What is the purpose of the uncinate processes?

Prevent lateral slipping of vertebra above

19

When does the uncinate process develop?

Between 9 and 10

20

A typical cervical has ___ true articulations and ___ pseudo ones

6
2

21

Bony elevations on the superior lateral margins of the cervical vertebrae are called what?

Uncinate processes

22

Uncinate processes articulate with the inferior lateral aspect of the vertebra above to form what?

Uncovertebral joint
AKA
Joints of Luschka
AKA
Luschkal Joint

23

What is the defining characteristics of the atlas

Lacks a body, pedicles, Laminae, spinous
Has anterior arch, posterior arch, and lateral masses, and TVPs

24

What is developed from the hypochondral arch that typically unites both halves of vertebral bodies

Anterior Arch

25

Primary center of ossification for the atlas

Anterior arch

26

Anterior arch fuses to lateral masses when?

Between 6 and 8

27

Most anterior part of the atlas

Anterior tubercle

28

Groove for articulation of dens on the anterior tubercle that forms a pivotal joint for rotation of C1 and C2

Fovea Dentalis

29

50% of rotation of the head and neck takes place in the ______ before any other vertebra moves

Anterior tubercle of anterior arch of C1

30

Entrance of vertebral artery and exit for 1st pair of spinal nerves

Superior Vertebral Notch (Sulcus Arteriae Vertebralis)