(cranial) extradural space

(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.

(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.