Anatomy Regional Vertebrae
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What is the distinctive feature of the cervical vertebrae?
Where does the vertebral artery exit the transverse foramina?
After C6 before C7
What are the distinctive features of C6 and C7
- C6 = large anterior tubercle called Carotid tubercle
- C7 = long spinous process
How many joints are between C1 and Occipitus?
2 joints (atlantooccipital joints)
How many atlantoaxial joints?
3 joints (median, 2 lateral atlantoaxial joints)
What are the attachments for the apical ligament?
Tip of dens to occipital bone
What are the attachments for the alar ligaments? what is there function?
- lateral sides of dense to occipital bone
- prevent over rotation
What are the attachments for the transverse ligament?
tubercle for transvers ligament on lateral masses of C1
What movement occurs at atlantoaxial joint (C1/C2)?
What movement occurs at atlantooccipital joint (C1/C0)?
- Flexion, extension, lateral bending
Unique features of the thoracic vertebrae?
- 6 extra joint facets
- allow rotation
What are the extra joint facets?
- Costovertebral joints
- Costotransverse joints
What is the shape of the body?
What is the shape of the vertebral foramen?
What is unique about the lumbar vertebrea?
- Four extra processes
- 2 accessory processes
- 2 mamillary processes
Where are the accessory processes located?
posterioinferior aspect of the root of each transverse process
Where are the mamillary processes located?
posterior border of each process (superior articular process is main)
At what level does the spinal chod end?
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