eks.tră.dʊˈrɑl

Definitions

1. adjective

relating to or situated outside the dura mater, a membrane enveloping the brain and spinal cord.

“The extradural space can be accessed via a surgical incision.”

2. noun

an extradural space or collection, especially one of blood or pus.

“The extradural hematoma required immediate surgical attention.”

3. adverb

outside the dura mater.

“The injury caused an extradural swelling.”