Illustration copyright 2000 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com
The spine (backbone) is a column of bones (vertebrae) stacked on top of one another. Each vertebra has a hole in its center. The spinal canal is the opening in the vertebrae through which the spinal cord runs.
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineKathleen Romito, MD - Family MedicineRobert B. Keller, MD - Orthopedics