Definitions for "Subdural space"
The space located between the dura mater and arachnoid layer.
a space between the dura mater and the arachnoid of the brain and spinal cord; it contains a small amount of fluid
The space located between the innermost layer of the dura mater and the arachnoid mater. This is often the area of rupture of delicate thin-walled veins following head injuries.