Lamina

Definition

In the context of the vertebral column, a lamina is part of a vertebra that forms the posterior portion of the vertebral arch, which serves to protect the spinal cord. It bridges between the more medial spinous process and the more lateral transverse processes.

Related terms

Vertebral Arch: The structure formed by two pedicles and two laminae that encloses the vertebral foramen.

Spinous Process: A bony projection off the posterior (back) part of each vertebra, which muscles and ligaments attach to.

Transverse Processes: Two lateral projections from the vertebral arch where muscles and ligaments attach, aiding in movement and stability of spine