Vertebrae are the individual bones that make up the spinal column. There are a variety of synonyms that can be used to describe these bones, including spinal bones, vertebral bodies, and spinal vertebrae. Other synonyms for vertebrae include the vertebral column, spinal column, and backbone. The vertebral arch is also sometimes used to describe the bony structure that surrounds and protects the spinal cord. These synonyms can be useful when discussing the anatomy or function of the vertebrae, or when describing medical conditions that affect the spine. Regardless of the term used, the vertebrae are an essential component of the human body, providing structure, support, and protection to the spinal cord and nervous system.