Term Name:	dura mater
Synonyms:	dura, dura mater of neuraxis, pachymeninges
Definition:	Thick, fibrous meningeal covering surrounding the brain and spinal cord. It is the outermost of the three meningeal coverings. It consists of two layers: the periosteal dura linking the inner surface of the skull and the meningeal dura that lies above the arachnoid dural membrane. The meningeal layer draws away from the periosteal layer and certain locations to form the dural reflections.
Ontology:	Cell Ontology [UBERON:0002363]