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Spinous Process
By: Tim Barclay, PhD
Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Jun 11, 2015
The spinous process is when two plates (laminae) arise from the pedicles and fuse in the back. The pedicles, laminae, and spinous process together complete a bony vertebral arch around the vertebral opening, through which the spinal cord passes.
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