Flashcards in Exam 2 - Regions in Spinal Column Deck (241)
What are the 3 regions of the occiput?
Posterior part and most of the base of the cranium is formed by what
What pass through foramen magnum?
Where the glossopharyngeal, vagus, and accessory cranial nerve exit the skull
The portion that connects to the sphenoid bone and is an area for attachment of many ligaments and muscles
First _____ of flexion/extension of head and neck takes place here before any other vertebra move
What are the 4 nuchal lines?
The largest part of the occiput that is posterior to the foramen magnum
A typical cervical vertebra has _______ shaped bodies
A typical cervical vertebra has _______ SP
How many cervical lips does a typical cervical vertebra have?
3 - 2 superior lateral & 1 anterior inferior lip
in the typical cervical vertebra, the TP are _______ to the AP
__________ ________ are ascension of the vertebral artery
What is a Costco-transverse lamella?
Groove on superior surface of the TVP for exit of the spinal nerve - typical cervical vertebra
A typical cervical vertebra has a ________ neural foramen
Which cervical are typical
Peculiar cervical vertebra are..
What is the purpose of the uncinate processes?
Prevent lateral slipping of vertebra above
When does the uncinate process develop?
Between 9 and 10
A typical cervical has ___ true articulations and ___ pseudo ones
Bony elevations on the superior lateral margins of the cervical vertebrae are called what?
Uncinate processes articulate with the inferior lateral aspect of the vertebra above to form what?
Joints of Luschka
What is the defining characteristics of the atlas
Lacks a body, pedicles, Laminae, spinous
Has anterior arch, posterior arch, and lateral masses, and TVPs
What is developed from the hypochondral arch that typically unites both halves of vertebral bodies
Primary center of ossification for the atlas
Anterior arch fuses to lateral masses when?
Between 6 and 8
Most anterior part of the atlas
Groove for articulation of dens on the anterior tubercle that forms a pivotal joint for rotation of C1 and C2
50% of rotation of the head and neck takes place in the ______ before any other vertebra moves
Anterior tubercle of anterior arch of C1