Spinal nerve roots branch out from each side of the spinal cord and
then join to form the spinal nerves, which pass through openings between the
spinal bones (vertebrae) and then form branches that extend throughout the
body. Each spinal nerve is attached to the spinal cord by two nerve roots.
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Robert B. Keller, MD - Orthopedics
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