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Spinal Vertebra
| Question | Answer |
|---|---|
| Cervical Vertebrae | Very mobile 7 vertebrae Atlas (c1) Axis(c2) Dens Anterior Arch Bidifd Spinous Process |
| Thoracic Vertebrae | Least mobile 12 vertebrae Spinous process is long + points down Coastal facets Foramen |
| Lumbar Vertebrae | Likes flexion/extension 5 vertebrae Largest bodies Holds body weight Spinous process is short Transverse process is lateral Lamina is thick + heavy |
| Sacral Vertebrae | 5 vertebrae Median sacral crest contains; spinous process + supraspinal ligament Intermediate sacral crest contains: articular process + sacroiliac ligament Lateral Sacral crest contains: transverse process + sacroiliac/sacrotuberus |
| What part of skeleton is vertebral column in? | Axial |
| What type of bones are they? | Irregular bones |
| How many intervetebral discs? | 23, not between C1 + C2 or sacrum + coccyx Progressively gets bigger |
| What do the discs contain? | Nucleus pulposus (gel-like center) + annulus fibrosus (surround nucleus pulposus) |