1. This results in backflow of blood into the pampiniform venous plexus . 2. It communicates with the external vertebral venous plexuses . 3. It communicates with the vertebrael venous plexuses . 4. The source of bleeding in spinal epidural hematoma is likely to be this venous plexus . 5. Batson's venous plexus may also allow the spread of infection in a similar manner. 6. The external vertebral venous plexuses travel inferiorly from this suboccipital region to drain into the brachiocephalic vein. 7. The external vertebral venous plexuses is also available for the internal vertebral venous plexus to communicate with. 8. The external vertebral venous plexuses is also available for the internal vertebral venous plexus to communicate with. 9. Next, both radicular veins travel to the epidural space by means of joining the internal vertebral venous plexuses . 10. The CSF is then absorbed into the spinal epidural venous plexus or soft tissues around the spine ."
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