Liberal Dictionary English Dictionary
noun Anatomy.
- the tough, fibrous membrane forming the outermost of the three coverings of the brain and spinal cord.Also called dura.Compare arachnoid(def 6), pia mater.
noun
- the outermost and toughest of the three membranes covering the brain and spinal cordOften shortened to: dura See also meninges
“tough outer membrane surrounding the brain,” c.1400, from Medieval Latin dura mater cerebri, literally “hard mother of the brain,” a loan-translation of Arabic umm al-dimagh as-safiqa, literally “thick mother of the brain.” “In Arabic, the words ‘father,’ ‘mother,’ and ‘son’ are often used to denote relationships between things” [Klein].
n.
- The tough fibrous membrane covering the brain and the spinal cord and lining the inner surface of the skull.dura pachymeninx
- 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.