Definitions for "Dura mater"
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.
the tough fibrous membrane lined with endothelium on the inner surface that envelops the brain and spinal cord external to the arachnoid and pia mater, contains numerous blood vessels and venous sinuses, called also dura.
The term means tough mother. It is the fibrous outermost meninges layer. It forms a tough protective layer.
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