👉 The term "parapetalous" refers to a type of bone that is part of the spine and not attached to the vertebrae. This means that it does not support the weight or movement of the vertebrae, but instead serves as a support for them. Parapetalous bones are often found in the lower back, pelvis, and neck, where they provide stability and protection against injuries. Parapetalous bones can be classified into three types: the vertebral body