The C1 and C2 vertebra and the occipital bone of the skull form the atlanto-occipital joint. This type of joint is a synovial joint and allows flexion and extension. This allows the head to make nodding and rotation move... More »

Each spinal nerve exits the vertebral column through a small hole, or foramen, on the side of the corresponding vertebrae, CNS-Visual Perspectives explains. The cervical nerves in the upper part of the spine exit above t... More »

The websites, and provide free detailed diagrams of the vertebral column. An article about the vertebral column on also features detailed images o... More » Science Human Anatomy Bones

According to Medline Plus, suture joints are also known as cranial sutures and are comprised of bands of fibrous tissue that connect the bones of the skull. Cranial sutures are necessary for brain growth and development. More »

Vertebrates are characterized by the presence of a vertebra or backbone; a skull; skeletal bones that form an endoskeleton; a bilaterally symmetrical structure; and two pairs of appendages, such as fins, limbs or wings. ... More »

According to Stanford Children's Health, the newborn skull consists of five bones: two frontal bones, two parietal bones and one occipital bone. These bones are held together by fibrous material known as "sutures." More »

Spondylolisthesis surgery repairs a vertebra that has slipped out of place to press against another vertebra. This can cause a narrowing of the spinal canal, which can lead to pain if the spinal nerves are compressed. More » Science Human Anatomy