G7 - Vertebral Column Flashcards
Label all the parts of this vertebra. Also, from what view are we looking at it?
- Vertebral arch
- Pedicle
- Lamina
- Vertebral foramen
- Spinous process
- Transverse process
- Superior articular facet
- Superior articular process
- Body
Superior view
What are our primary and secondary curvatures?
Primary = thoracic kyphosis, sacrococcygeal kyphosis (occur in fetal dev)
Secondary = cervical and lumbar lordosis (acquired when start moving around in space)
How many cervical vertebrae do we have?
7
How many thoracic vertebrae do we have?
12
How many lumbar vertebrae do we have?
5
How many coccygeal vertebrae do we have?
4 that are fused together
How many sacral vertebrae do we have?
5 that are fused together
Do vertebrae form by intramembranous or endochondral ossification?
Endochondral, aka from a cartilaginous precursor
ID each of the structures. What view is this image taken from?
- Anterior
- Posterior
- Body of L1
- Intervertebral foramen
- Inferior vertebral notch
- Superior vertebral notch
- Facet joint
- Body of L5
- Superior articular process
- Transverse process
- Spinous process
- Inferior articular facet
- Inferior articular process
Lateral view
ID the type of vertebra and all the structures associated with it.
Cervical vertebra
- Anterior and posterior tubercles
- Transverse foramen in transverse process
- Bifid spinous process
- Posterior
- Delicate arches
- Articular facets
- Small body
- Anterior
What is the angle between articular facets in cervical vertebrae?
0-45 degrees
What part of the spine is this? ID all the number structures.
Cervical
1-7: C7-C1
8. Transverse foramen
9. Inferior and superior articular processes
10. Spinous process
11. Uncus of body
12. Posterior arch of atlas
ID the surface anatomy from top to bottom.
Site of external occipital protuberance
Nuchal groove
C7 spinous process (vertebra prominens)
T1 spinous process
T2 spinous process
Supraspinous ligament
T4 spinous process
This part of the cervical vertebrae supports the weight of the skull and has no body or spinous process.
Atlas
How does C2 support C1 (atlas)?
Dens sticks up like a tooth and atlas fits on top of