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
