The outermost part of the spinal canal. It is the space within the canal (formed by the surrounding vertebrae) lying outside the dura mater. [ ]

Synonyms: cavum extradurale spatium epidurale cavum epidurale extradural space spatium extradurale

This is just here as a test because I lose it

Term information

latin term
spatium extradurale [ FMA:71228 FMA:TA ]

external ontology notes

in the FMA this is treated as a space of the head, but this ontology covers non-humans, where the space may continue into the tail

has related synonym

epidural cavity

has relational adjective





taxon notes

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