external vertebral venous plexus

external vertebral venous plexus

[TA]

plexus of unvalved veins surrounding the vertebral column, with greatest venous density anterior to the vertebral bodies (anterior external vertebral venous plexus [TA]) and posterior to the vertebral arch (posterior external vertebral venous plexus [TA]); communicates with the internal vertebral venous plexus through intervertebral veins and with the segmental veins of each vertebral level.
See also: vertebral venous system.

Synonym(s): plexus venosus vertebralis externus [TA]