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Lumbosacral region of the spine (lower back)
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Healthwise
The spine is composed of 33 interlocking bones called vertebrae. The lumbosacral region of the spine consists of 5 lumbar vertebrae and the sacrum (5 bones joined together).
Last Updated:
February 3, 2010- Medical Review:
- William M. Green, MD - Emergency Medicine
Robert B. Keller, MD - Orthopedics
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