(cranial) extradural space
[TA] space between the cranial bones and the external periosteal layer of the dura; it becomes an actual space only pathologically, as when as extradural or epidural hemorrhage occurs forming a hematoma.
Farlex Partner Medical Dictionary © Farlex 2012
(cra·ni·al) ex·tra·du·ral space
(krānē-ăl ekstră-durăl spās) [TA] Area between cranial bones and external periosteal layer of the dura; becomes an actual space only pathologically, as when as extradural or epidural hemorrhage occurs forming a hematoma.
Medical Dictionary for the Dental Professions © Farlex 2012