is internal bleeding which occurs outside the outermost protective layer covering the brain, otherwise known as the dura mater. Extradural hemorrhages are normally due to ruptured cranial arteries which then leak blood into the surrounding areas.

EXTRADURAL HEMORRHAGE: "An extradural hemorrhage, which occurs within the brain outside the protective layer called the dura mater can become fatal if not treated."
Cite this page: N., Pam M.S., "EXTRADURAL HEMORRHAGE," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/extradural-hemorrhage/ (accessed August 3, 2020).