the outermost (and toughest) of the 3 meninges 同义词：dura,
Dura mater , or dura, is the outermost of the three layers of the meninges surrounding the brain and spinal cord. It is derived from mesoderm.
例句与用法
1.
Treatment for lumbar intervertebral discs herniation entering dura mater of spinal cord 腰椎间盘突入硬脊膜内1例治疗体会
2.
Application of collagen sponge as dura mater substitute material in neurosurgery operation : a retrospective analysis of 207 cases 硬膜替代材料胶原海绵应用于神经外科手术患者207例回顾性分析
3.
When laminectomy from t2 to t12 was done , an extradural hypervascular fatty mass , which was loosely adherent to the dura mater , was disclosed and removed 住院后以核磁共振扫描，显示从第二胸椎至第十二胸椎硬脊膜外后方有压迫性肿块。
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