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Vert. Col. and Back
Vertebral Column and Back
| Question | Answer |
|---|---|
| Structural building block of the spine | Vertebra |
| Superficial Extrinsic muscles of the back | Trapezius, Latissimus dorsi, Levator scapulae, Rhomboid major, Rhomboid minor |
| Chief extensors of the back | Erector spinae |
| Aka vertebra prominens | C7 |
| Forms the primary curves of the vertebral column | Thoracic and Sacrococcygeal |
| first cervical vertebra | Axis (C1) |
| holds the dens against the C1 arch | Transverse ligament |
| Made up of 5 fused vertebrae | Sacrum |
| tail bone | Coccyx |
| Supplies blood to the spine | Segmental vessels |
| No. of pairs of spinal nerves | 31 |
| innervates the skin and deep muscles of the back | Dorsal primary ramus |
| forms the plexi, intercostals, subcostal nerves | Ventral primary ramus |
| Where the spinal nerves terminate | conus medullaris |
| 3 layers of meninges of the spinal cord | dura, arachnoid, pia mater |
| space filled with CSF | subarachnoid space |
| outer covering of the spinal cord | dura |
| predominantly cell bodies | central gray matter |
| predominantly axons | peripheral white matter |
| degenerative osteoarthritis of the joints between the spinal vertebrae or neural foramina | spondylosis |
| anterior/posterior slippage /displacement of the vertebra | Spondylolisthesis |
| lateral curvature of the spine accompanied by the rotation of the vertebrae | Scoliosis |
| scoliosis due to assymetrical weakness of the intrinsic back muscles | myopathic scoliosis |
Created by:
mareezyweezy
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