sacral venous plexus

sa·cral ve·nous plex·us

a venous plexus on the pelvic surface of the sacrum, formed by tributaries to the lateral sacral veins.
Synonym(s): plexus venosus sacralis [TA]
References in periodicals archive ?
The median sacral vein is an unpaired vein located at the medial aspect of the sacrum and accompanies the middle sacral artery to receive blood from the sacral venous plexus, emptying into the left common iliac vein.