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.
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