The spinal canal is the space in vertebrae through which the spinal cord passes. Its anterior and posterior boundaries are marked by the ligamentum flavum posteriorly and the posterior longitudinal ligament anteriorly.
The spinal cord is contained within the spinal canal. The borders of the spinal canal are as follows:
Anterior: vertebral body, intervertebral disc, posterior longitudinal ligament
Posterior: laminae, ligamentum flavum
Lateral: pedicles, medial aspect of the facet joints on either side
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