#113,274
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anatomyarachnoid mater; arachnoid membrane
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EN The arachnoid mater is one of the three meninges, the protective membranes that cover the brain and spinal cord.
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#58,303
#316,499
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anatomysubarachnoid space
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EN In the central nervous system, the subarachnoid space (subarachnoid cavity) is the anatomic space between the arachnoid mater and the pia mater.
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EN Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space — the area between the arachnoid membrane and the pia mater surrounding the brain.
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