Anterior view of the lumbar vertebrae.

Anterior view of the articulated cervical spine.

Anterior view of the thorax showing rhomboid muscles and their bony attachments.

Anterior view of the articulated atlas (A) and axis (2), showing the atlantoaxial joint and dens (D).

Anterior view of the cervical skeleton.

Posterior view of the vertebral column, showing the cervical, thoracic, and lumbar vertebrae, and the sacrum and coccyx.

Lateral view of vertebral column curvature in an adult, showing cervical (red), thoracic (brown), and lumbar (yellow) vertebrae, and the sacrum and coccyx (orange).

Anterior view of the bony thorax showing the rib cage, sternum, thoracic vertebrae, left scapula and left clavicle.

Anterior view of the thorax showing both rhomboid muscles and their bony attachments on both sides of the body.

Lateral view of curvature of the fetal vertebral column, showing cervical (red), thoracic (brown), and lumbar (yellow) vertebrae, and the sacrum and coccyx (orange).

Lateral view of the vertebral column with hip bone and portion of skull, superimposed onto human profile.

Superior view of a cervical vertebrae with an enlarged costal element (top). Bottom image shows a normal situation.

Anterior view of two cervical vertebrae.