It is one of the oldest and broadest of the engineering disciplines. The mechanical engineering field requires an understanding of core areas including mechanics, kinematics, thermodynamics, materials science, structural analysis, and electricity.
Dura mater. Dura mater (UK /ËdjÊÉrÉ ËmeÉªtÉr/ or US /ËdÊÉrÉ ËmÃ¦tr/), 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 arachnoid mater and the pia mater.
Home/Education/Terminology/Dural Leak. The dura is the outside lining of the sack containing the nerves and spinal cord. Inside this sack are obviously the nerve roots and fluid called CSF or cerebral spinal fluid. A dural leak is a small tear of the dura and a subsequent leak of this spinal fluid. Repairing the leak is normally a simple matter of some small sutures and a patch of specialized material.