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.
Dura mater. The dura mater, also referred to as simply the dura, is one of three layers that make up the meninges, which is a membrane system that surrounds the brain and spinal cord. As the outermost layer of the three, the dura mater covers the arachnoid mater, which in turn covers the pia mater.