What is the common term for the vertebral column?

The common term for the vertebral column is "spine." This term refers to the complex bony structure that runs along the back and is composed of individual vertebrae. The spine provides structural support for the body, allows for flexible movement, and protects the spinal cord, which is a crucial part of the central nervous system.

In anatomical discussions, while other terms relate to different parts of the skeletal system, the spine specifically denotes the sequence of vertebrae that make up the backbone. Ribs, skull, and pelvis all refer to distinct parts of the skeleton with different functions and structures, making "spine" the most appropriate and commonly used term to describe the vertebral column.