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dura mater
dura mater definition
dura ma·ter (do̵or′ə māt′ər, dyo̵or′-)
the outermost, toughest, and most fibrous of the three membranes covering the brain and spinal cord
Etymology: ME < ML, lit., hard mother, transl. of Ar term
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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