The document summarizes the osteology and structure of the vertebrae. It describes that vertebrae have a basic shape that varies between regions to adapt to different needs. Each vertebra has a vertebral body, arch, foramen, pedicles, lamina and processes. There are 7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 4-5 coccygeal vertebrae. The cervical vertebrae have unique features like large foramina and transverse processes. Thoracic vertebrae articulate with ribs. Lumbar vertebrae have large, bean-shaped bodies. The sacrum fuses into a strong foundation and the coccyx absorbs shock. Together, the vertebrae