Dura mater

Definition

The dura mater is the outermost, thick, tough membrane covering the brain and spinal cord, serving as a protective layer for the central nervous system. It is one of the three layers of the meninges that encase the central nervous system.

Related terms

Meninges: The three membranes (dura mater, arachnoid mater, and pia mater) that envelop the brain and spinal cord, providing protection and support.

Cerebrospinal Fluid (CSF): A clear fluid found in the brain and spinal cord that acts as a cushion for these structures, also aiding in nutrient delivery and waste removal.

Arachnoid Mater: The middle layer of the meninges located between the dura mater and pia mater, contributing to the protection and encapsulation of the central nervous system