
The spine is formed by 33 interlocking bones called vertebrae. Located between each pair of vertebrae is a disc. The disc is composed of a capsule of connective tissue surrounding a soft, jellylike center. These discs absorb shock and provide flexibility within the spine.
| By | Healthwise Staff |
| Primary Medical Reviewer | William H. Blahd, Jr., MD, FACEP - Emergency Medicine |
| Specialist Medical Reviewer | Robert B. Keller, MD - Orthopedics |
| Last Revised | July 21, 2010 |
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