
Dura mater (ɚ or ɹ), or dura, is a thick membrane that is the outermost of the three layers of the meninges that surround the brain and spinal cord. It is derived from mesoderm. The other two meningeal layers are the pia mater and the arachnoid mater. The dura surrounds the brain and the spinal cord and is responsible for keeping in the cerebros...
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• The tough, fibrous membrane, which lines the cavity of the skull and spinal column, and surrounds the brain and spinal cord; -- frequently abbreviated to dura.
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(L. 'hard mother') the outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and spinal cord; called also pachymeninx.
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A tough fibrous membrane that covers the brain and spinal cord, but is separated from them by a small space. It is the outermost layer of the three membranes.
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(from the article `human embryology`) ...Midway in the seventh month the functional spinal cord ends at a level corresponding to the midpoint of the kidneys. Both the brain and the spinal ... The outermost of the three meninges is the dura mater (or pachymeninx), a strong, thick, and dense membrane. It is composed of dense fibrous tissu...
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http://www.britannica.com/eb/a-z/d/84

A firm connective tissue, containing blood vessels, which covers the brain and spinal cord of vertebrates but is separated from them by a small space. The dura mater (Latin for 'tough mother') is the toughest, outermost envelope enclosing the central nervous system, and the most fibrous of the three...
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<anatomy> The outermost, toughest and most fibrous of the three membranes (meninges) covering the brain and spinal cord. ... Synonym: pachymeninx. ... Origin: L. = hard mother ... (18 Nov 1997) ...
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(doo´rә ma´tәr) the outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and spinal cord.
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Outermost of the three meningeal membranes covering the brain and spinal cord.
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Du'ra ma'ter [ Latin , lit., hard mother. The membrane was called
mater , or mother, because it was formerly thought to give rise to every membrane of the body.]
(Anat.) The tough, fibrous membrane, which lines the cavity of the skull and spinal column, and surrounds the brain and spinal cord; -- frequently a...
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The outermost membrane covering the brain.
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Type: Term Pronunciation: dū′ră mā′tĕr Definitions: 1. Pachymeninx (as distinguished from leptomeninx, the combined pia mater and arachnoid); a tough, fibrous membrane forming the outer covering of the central nervous system, consisting of periosteal and meningeal dura layer and an inner part, the dural border cell l...
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Dura mater: Literally, hard mother (in Latin). The outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and the spinal cord. See: Dura.
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(door;ua ma;ter) The outermost meninx.
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The dura mater is the membrane which covers the brain.
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[
n] - the outermost (and toughest) of the 3 meninges
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tough, outermost membrane that surrounds the brain
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(medical/biological term for) the outer membrane of the brain and spinal cord - the Latin term is itself derived from an earlier fuller Arabic term, loosely 'thick mother of the brain'
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dura noun the outermost (and toughest) of the 3 meninges
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the tough, fibrous membrane forming the outermost of the three coverings of the brain and spinal cord. Also calledCf. arachnoid (def. 6),
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