dura mater

du·ra ma·ter  (dr mtr, mä-, dyr)

n.

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.

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[Middle English, from Medieval Latin dra mter (cerebr), hard mother (of the brain), dura mater (translation of Arabic 'umm ad-dim a-figah, the dense mother of the brain, matrix of the brain) : Latin dra, feminine of drus, hard; see duramen + Latin mter, mother; see mater.]

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dura mater  (dr mtr, mä-)

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 membranes (meninges) that surround the central nervous system, overlying the arachnoid and pia mater.

Thesaurus

Noun

1.

dura mater - the outermost (and toughest) of the 3 meninges dura meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord tentorium - (anatomy) a fold of dura mater that covers the cerebellum and supports the occipital lobes of the cerebrum