Uberon definition : The outermost part of the spinal canal. It is the space within the canal (formed by
the surrounding vertebrae) lying outside the dura mater.;
Uberon synonym : extradural space;
Uberon related term : epidural cavity;
Uberon Taxon note : In humans the epidural space contains lymphatics, spinal nerve roots, loose fatty
tissue, small arteries, and a network of large, thin-walled blood vessels called the
epidural venous plexus;