The cervical vertebra's most prominent feature is foramen transverarium – the bilateral opening within the transverse processes for the vertebral artery and vein passage. These openings are usually present in all cervical vertebra. Other peculiarities like the split tip of processus spinosus, raised edges of vertebral bodies (processus uncinatus), or thin and flat vertebral arch (lamina arcus vertebrae) may not be present at all levels.