Dura mater
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The arachnoid mater is the layer of the meninges that contains web-like filaments known as the arachnoid trabeculae. These filaments extend between the arachnoid mater and the pia mater.
The arachnoid mater is the middle layer of the meninges that forms a loose covering over the brain. It is located between the dura mater (outer layer) and the pia mater (inner layer) of the meninges.
The arachnoid mater forms the middle layer of the meninges. It consists of delicate, web-like fibers that lie between the dura mater and the pia mater.
the three layers of meninges are as follows: Outer layer(layer closet to the skull): known as the Dura Mater. Middle layer: known as the Arachnoid Inner layer(layer closest to the cerebral cortex): known as the Pia Mater ***The meninges contain cerebral spinal fluid (which is produced in the brain stem) which as a shock absorber. The meninges also provide extra support and protection for the brain.controls involuntary muscle
Cerebral Cortex
Pia matter!