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| Subdural space | |
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| Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc. ("Subdural cavity" visible at left.) | |
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| Diagrammatic transverse section of the medulla spinalis and its membranes. (Subdural cavity labeled at bottom and top right.) | |
| Latin | spatium subdurale, cavum subdurale |
| Gray's | subject #193 875 |
| Dorlands/Elsevier | s_16/12746663 |
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.
See also
External links
- subdural+space at eMedicine Dictionary
- Haines D, Harkey H, al-Mefty O (1993). "The "subdural" space: a new look at an outdated concept". Neurosurgery 32 (1): 111–20. PMID 8421539.
- MeSH Subdural+space
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Wikipedia content modification information:
- This page was last modified on 28 August 2008, at 12:39.
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