dura materdu·ra ma·ter
the outermost, toughest, and most fibrous of the three membranes covering the brain and spinal cord
Origin of dura materMiddle English ; from ML, literally , hard mother, translated, translation of Arabic term
The tough fibrous membrane covering the brain and the spinal cord and lining the inner surface of the skull. It is the outermost of the three meninges that surround the brain and spinal cord.
Origin of dura materMiddle English, from Medieval Latin d&umacron;ra mater (cerebr&imacron;), hard mother (of the brain), dura mater (translation of Arabic ’umm ad-dimaġ a&slowdot;-&slowdot;afigah, the dense mother of the brain, matrix of the brain) : Latin d&umacron;ra, feminine of d&umacron;rus, hard; see duramen + Latin mater, mother; see mater.
- (anatomy) The tough and inflexible outermost of the three layers of the meninges