Overlay image:
- cervical_vertebra_1_-_atlas
- cervical_vertebra_2_-_axis
- cervical_vertebra_3
- cervical_vertebra_4
- cervical_vertebra_5
- cervical_vertebra_6
- cervical_vertebra_7
- lumbar_vertebra_1
- lumbar_vertebra_2
- lumbar_vertebra_3
- lumbar_vertebra_4
- sacrum
- thoracic_vertebra_1
- thoracic_vertebra_10
- thoracic_vertebra_11
- thoracic_vertebra_12
- thoracic_vertebra_2
- thoracic_vertebra_3
- thoracic_vertebra_4
- thoracic_vertebra_5
- thoracic_vertebra_6
- thoracic_vertebra_7
- thoracic_vertebra_8
- thoracic_vertebra_9