The diploic veins are found in the skull and drain the diploic space. This is found in the bones of the vault of the skull and is the marrow-containing area of cancellous bone between the inner and outer layers of compact bone. The diploic veins drain this area into the dural venous sinuses.
This page contains content from the copyrighted Wikipedia article "Diploic veins"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.