Lateral (top) and superior views of a cervical vertebra.

Superior view of a cervical vertebra.

Lateral radiograph of the flexed cervical spine.

Lateral radiograph of the extended cervical spine.

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

Essential bony landmarks of the cervical vertebral column.

Lateral view of a typical 2nd lumbar vertebra.

Suboccipital region.

Anteroposterior radiograph of the cervical spine, showing the margins of air in the trachea (black arrows) and the overlapping articular and transverse processes (boxed area).

Superior (left) and lateral (right) views of features and movements of cervical (top), thoracic (middle), and lumbar (bottom) vertebrae.

Posterior view of the suboccipital region; trapezius, sternocleidomastoid, and splenius muscles are removed.

Woman wearing one piece cervical collar.

Vertebra, cervical