Detailed anatomical illustration of cervical, thoracic, and lumbar vertebrae from superior and lateral perspectives.

The image provided is a diagram of the vertebral column, specifically focusing on cervical, thoracic, and lumbar vertebrae. The task appears to be labeling the various parts of these vertebrae. Below is the solution with explanations for each labeled part.

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Cervical Vertebra (Superior View and Lateral View)

#### Superior View
1. Spinous Process: A projection from the posterior side of the vertebral body that serves as an attachment point for muscles and ligaments.
2. Transverse Foramen: A hole in the transverse process through which the vertebral artery passes.
3. Articular Facet (Superior Articular Process): Joint surface where the vertebra articulates with the adjacent vertebra above.
4. Vertebral Body: The main weight-bearing portion of the vertebra.
5. Articular Facet (Inferior Articular Process): Joint surface where the vertebra articulates with the adjacent vertebra below.
6. Superior Notch (Superior Articular Facet): Part of the superior articular process.
7. Inferior Notch (Inferior Articular Facet): Part of the inferior articular process.

#### Lateral View
8. Body of Vertebral Column: The anterior part of the vertebra responsible for bearing most of the weight.
9. Spinous Process: Posterior projection for muscle attachment.
10. Superior Articular Process: Joint surface for articulation with the vertebra above.
11. Inferior Articular Process: Joint surface for articulation with the vertebra below.
12. Transverse Process: Lateral projection for muscle attachment and passage of blood vessels.
13. Pedicle: Connects the vertebral body to the neural arch, forming part of the vertebral foramen.

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Thoracic Vertebra (Superior View and Lateral View)

#### Superior View
14. Spinous Process: Posterior projection for muscle attachment.
15. Superior Articular Facet: Joint surface for articulation with the vertebra above.
16. Inferior Articular Facet: Joint surface for articulation with the vertebra below.
17. Vertebral Body: Main weight-bearing portion.
18. Costal Fossa: Depression where the head of a rib attaches.

#### Lateral View
19. Body of Vertebral Column: Anterior weight-bearing portion.
20. Superior Articular Process: Joint surface for articulation with the vertebra above.
21. Inferior Articular Process: Joint surface for articulation with the vertebra below.
22. Transverse Process: Lateral projection for muscle attachment and rib articulation.
23. Pedicle: Connects the vertebral body to the neural arch, forming part of the vertebral foramen.

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Lumbar Vertebra (Superior View and Lateral View)

#### Superior View
24. Spinous Process: Posterior projection for muscle attachment.
25. Superior Articular Facet: Joint surface for articulation with the vertebra above.
26. Inferior Articular Facet: Joint surface for articulation with the vertebra below.
27. Vertebral Body: Main weight-bearing portion.
28. Mamillary Process: Small projection on the spinous process for ligament attachment.

#### Lateral View
29. Body of Vertebral Column: Anterior weight-bearing portion.
30. Superior Articular Process: Joint surface for articulation with the vertebra above.
31. Inferior Articular Process: Joint surface for articulation with the vertebra below.
32. Transverse Process: Lateral projection for muscle attachment.
33. Pedicle: Connects the vertebral body to the neural arch, forming part of the vertebral foramen.
34. Mamillary Process: Small projection on the spinous process for ligament attachment.

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Explanation of Key Differences Between Cervical, Thoracic, and Lumbar Vertebrae

1. Cervical Vertebrae:
- Smallest vertebrae.
- Have transverse foramina for the vertebral arteries.
- Spinous processes are short and bifid (split into two parts) in most cases.

2. Thoracic Vertebrae:
- Larger than cervical vertebrae but smaller than lumbar vertebrae.
- Have costal facets for rib articulation.
- Spinous processes are long and slope downward.

3. Lumbar Vertebrae:
- Largest vertebrae.
- Stronger and more robust due to their role in supporting body weight.
- Spinous processes are thick and rectangular.

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Final Answer

The labels for the diagram are as follows:

- Cervical Vertebra (Superior View): 1. Spinous Process, 2. Transverse Foramen, 3. Superior Articular Process, 4. Vertebral Body, 5. Inferior Articular Process, 6. Superior Notch, 7. Inferior Notch.
- Cervical Vertebra (Lateral View): 8. Body of Vertebral Column, 9. Spinous Process, 10. Superior Articular Process, 11. Inferior Articular Process, 12. Transverse Process, 13. Pedicle.
- Thoracic Vertebra (Superior View): 14. Spinous Process, 15. Superior Articular Facet, 16. Inferior Articular Facet, 17. Vertebral Body, 18. Costal Fossa.
- Thoracic Vertebra (Lateral View): 19. Body of Vertebral Column, 20. Superior Articular Process, 21. Inferior Articular Process, 22. Transverse Process, 23. Pedicle.
- Lumbar Vertebra (Superior View): 24. Spinous Process, 25. Superior Articular Facet, 26. Inferior Articular Facet, 27. Vertebral Body, 28. Mamillary Process.
- Lumbar Vertebra (Lateral View): 29. Body of Vertebral Column, 30. Superior Articular Process, 31. Inferior Articular Process, 32. Transverse Process, 33. Pedicle, 34. Mamillary Process.

Boxed Final Answer:
\boxed{
\begin{aligned}
&\text{1. Spinous Process, 2. Transverse Foramen, 3. Superior Articular Process, 4. Vertebral Body, 5. Inferior Articular Process, 6. Superior Notch, 7. Inferior Notch,} \\
&\text{8. Body of Vertebral Column, 9. Spinous Process, 10. Superior Articular Process, 11. Inferior Articular Process, 12. Transverse Process, 13. Pedicle,} \\
&\text{14. Spinous Process, 15. Superior Articular Facet, 16. Inferior Articular Facet, 17. Vertebral Body, 18. Costal Fossa,} \\
&\text{19. Body of Vertebral Column, 20. Superior Articular Process, 21. Inferior Articular Process, 22. Transverse Process, 23. Pedicle,} \\
&\text{24. Spinous Process, 25. Superior Articular Facet, 26. Inferior Articular Facet, 27. Vertebral Body, 28. Mamillary Process,} \\
&\text{29. Body of Vertebral Column, 30. Superior Articular Process, 31. Inferior Articular Process, 32. Transverse Process, 33. Pedicle, 34. Mamillary Process.}
\end{aligned}
}