subdural

from WordNet (r) 3.0 (2006)
subdural
    adj 1: below the dura mater but above the arachnoid membrane of
           the meninges
    
from The Collaborative International Dictionary of English v.0.48
Subdural \Sub*du"ral\, a. (Anat.)
   Situated under the dura mater, or between the dura mater and
   the arachnoid membrane.
   [1913 Webster]
    

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