The spine (backbone) is a column of bones (vertebrae) stacked on top of one another. Each vertebra has an opening near its center. The spinal canal is made up of openings in the vertebrae through which the spinal cord runs.
Current as of: March 2, 2020
Author: Healthwise Staff Medical Review: William H. Blahd Jr. MD, FACEP - Emergency Medicine Kathleen Romito MD - Family Medicine Robert B. Keller MD - Orthopedics