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Vertebral arch

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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The presacral vertebral arch forms a ring with the centrum anteriorly to protect the spinal cord and emerging spinal nerves.

Typically, the vertebral arch has:

  • 2 pedicles
  • 2 lamina
  • 4 articular processes
  • 4 vertebral notches
  • 2 transverse processes
  • 1 spinous process

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