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18 Cards in this Set

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  • Back
How many cervical vertebrae are there?
7
What region does the cervical vertebrae form and support?
Neck region, supports the head
What do the spinous processes look like on the cervical vertebrae?
They are relatively short and the tip of each spinous prcoess is bifid (split in two) with the exception of C1 which lacks a spinous process.
What are unique about the sixth and sometimes the seventh transverse processes of the cervical verebrae?
They contain prominent, round "transverse foramina"
Why are there transverse foramina?
They provide a bony passageway for the vertebral arteries and veins that serve the brain.
What is whiplash?
Because the head is so large and the cervical vertebrae are so weak, if there is stress applied to the head, damage to the muscles and ligament and potential injury to the spinal cord can occur.
What is the first cervical vertebra called?
Atlas
What bone and more specifically what feature articulates with the occipital condyles of the skull?
The atlas, superior articular facets
What do the inferior articular facets articulate with?
Vertebra below.
The articulation between the occipital condyles and the atlas is called what?
atlantooccipital joint; permits our head to nod in a yes motion
What permits our head to nod in a yes motion?
Atlantooccipital joint
What is the second cervical vertebra called? (C2)
axis
What is the axis easily identified by?
the presence of a superior peg-like projection called the "odontoid process" or dens
What is the articulation between the atlas and the axis called?
atlanto-axial joint
Any trauma that fractures or dislocates the dens often damages what also?
The spinal cord or perhaps even the brain
What is the 7th cervical vertebra called?
Vertebra prominens
Why is the vertebra prominens called what it is?
Because its relatively large and has a long spinous process (typically not bifurcated)
Where is a hangman's knot placed and why?
Behind the ear on one side of the head so when the person to be executed falls through the trapdoor of the gallows, the sideways pressure will dislocate or fracture the cervical vertebrae, sever the spinal cord, and cause rapid death