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.
ByHealthwise Staff Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine Specialist Medical ReviewerRobert B. Keller, MD - Orthopedics