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Updated October 12, 2006

The vertebra is a bone of the spine.

The vertebra is a bone of the spine.

(c) Anne Asher 2006 licensed to About.com
Definition: One of a series of 26 bones that makes up the spine.

Together, the 26 vertebrae make up the vertebral column. The vertebral column is movable, and provides protection and support to body structures.

Also Known As: spinal bone

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