The cervical spine consists of seven vertebrae (the abbreviation of this segment is C), which show a characteristic structure (except for the first and second vertebrae). The seventh cervical vertebra retains all the features of the cervical vertebrae (small area of the body, large vertebral foramen, and openings in the transverse processes through which the artery and vertebral vein run). The exception is the spinous process, which is not doubled at the end. For this reason, this vertebra is called protruding (prominens). The physiological anterior curvature of this segment is called cervical lordosis (lordosis cervicalis). The formation of cervical lordosis is related to the first raising of the child's head.