dura mater

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The outermost and toughest of the three meninges covering the brain and spinal cord, attached tightly to the arachnoid membrane. Often shortened to dura. Also called the pachymeninx. Compare arachnoid membrane, pia mater. [From Latin dura mater hard mother, a literal translation of its Arabic name umm al-jafiyah in accordance with the Arabic usage of mother to indicate a relation between things]

Subjects: Psychology.

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