Subdural space

Subdural space

Infobox Anatomy
Name = PAGENAME
Latin = spatium subdurale, cavum subdurale
GraySubject = 193
GrayPage = 875


Caption = Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc. ("Subdural cavity" visible at left.)


Caption2 = Diagrammatic transverse section of the medulla spinalis and its membranes. (Subdural cavity labeled at bottom and top right.)
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DorlandsPre = s_16
DorlandsSuf = 12746663
The subdural space (or subdural cavity) is an artificial space created by the separation of the arachnoid mater from the dura mater as the result of trauma, pathologic process, or the absence of cerebrospinal fluid as seen in a cadaver. The arachnoid mater normally adheres to the dura mater due to cerebrospinal fluid within the subarachnoid space. In the cadaver, due to the absence of cerebrospinal fluid, the arachnoid mater falls away from the dura mater. It may also be the site of trauma, such as a subdural hematoma, causing abnormal separation of dura and arachnoid mater. Hence, the subdural space is referred to as "potential" or "artificial" space.

ee also

* Epidural space
* Subarachnoid space
* Meninges
* Subdural hematoma

External links

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Look at other dictionaries:

  • subdural space — n a fluid filled space or potential space between the dura mater and the arachnoid * * * spatium subdurale …   Medical dictionary

  • subdural hematoma — n a hematoma that occurs between the dura mater and arachnoid in the subdural space and that may apply neurologically significant pressure to the cerebral cortex * * * accumulation of blood between the dura mater and the arachnoid, resulting in… …   Medical dictionary

  • Subdural hematoma — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 12614 ICD10 = ICD10|I|61|0|i|60, ICD10|S|06|5|s|00 ICD9 = ICD9|852.2 traumatic; ICD9|432.1 nontraumatic ICDO = OMIM = MedlinePlus = 000713 eMedicineSubj = neuro eMedicineTopic = 575 MeshID =… …   Wikipedia

  • Subdural hygroma — The subdural space is a virtual one, so any collection within it is considered as abnormal.A subdural hygroma is a subdural collection of cerebrospinal fluid (CSF), without blood. Most subdural hygromas are believed to be derived from chronic… …   Wikipedia

  • Subdural empyema — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 31138 ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = neuro eMedicineTopic = 591 MeshID = D013354 Subdural empyema is a form of empyema in the subdural space.It usually occurs in… …   Wikipedia

  • subdural — adjective Etymology: sub + dura (mater) Date: 1875 situated or occurring beneath the dura mater or between the dura mater and the arachnoid membrane < subdural space > < subdural hematomas > …   New Collegiate Dictionary

  • subdural hemorrhage — cerebral hemorrhage into the subdural space; see also subdural hematoma, under hematoma, and stroke syndrome, under syndrome …   Medical dictionary

  • subdural hygroma — a collection of fluid in the subdural space resulting from liquefaction of a subdural hematoma; see under hematoma …   Medical dictionary

  • subdural hematoma — noun : a hematoma that occurs between the dura mater and arachnoid in the subdural space and that may apply neurologically significant pressure to the cerebral cortex …   Useful english dictionary

  • space — Any demarcated portion of the body, either an area of the surface, a segment of the tissues, or a cavity. SEE ALSO: area, region, zone. SYN: spatium [TA]. [L. spatium, room, s.] alveolar dead s …   Medical dictionary

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