The outermost part of the spinal canal. It is the space within the canal (formed by the surrounding vertebrae) lying outside the dura mater. [ Wikipedia:Epidural_space ]
术语信息
- FMA:71228
- GAID:243
- MESH:D004824
- Wikipedia:Epidural_space
- SCTID:281866004
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
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
The outermost part of the spinal canal. It is the space within the canal (formed by the surrounding vertebrae) lying outside the dura mater.
cavum extradurale
spatium epidurale
cavum epidurale
extradural space
spatium extradurale