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Intervertebral foramen

Foramen between spinal vertebrae

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Through Lymphatic vessel

Anatomy

Structure

In the thoracic region and lumbar region, each vertebral foramen is additionally bounded anteriorly by (the inferior portion of) the body of vertebra (particularly in the thoracic region) and adjacent intervertebral disc (particularly in the lumbar region).

In the cervical region, a small part of the body of vertebra inferior to the intervertebral disc also forms the anterior boundary of the IVF (due to the fact that the junction of the pedicle with the body of vertebra is situated somewhat more inferiorly on the body).

Contents

A number of structures pass through the IVF: spinal nerve roots, a recurrent meningeal nerve, radicular arteries (where present), segmental medullary arteries (where present), intervertebral veins, and lymphatic vessels.

The posterior (dorsal) root ganglion is situated within the IVF. The adipose tissue of the spinal epidural space extends into the IVF. The spinal dura mater extends laterally with each departing spinal nerve, reaching into the IVF. Transforaminal ligaments (when present) extend through the IFV.

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