vertebral venous plexus , także: vertebral venous system

It communicates with the anterior vertebral venous plexus.

The external vertebral venous plexuses is also available for the internal vertebral venous plexus to communicate with.

The vertebral venous plexus is involved in regulating intracranial pressure, transmitting the influence of the respiratory and cardiac pressures to the intracranial compartment and equalizing the pressures within the venous system."