Arachnoid Mater

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Last updated: Nov 8th, 2024
Arachnoid Mater
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The arachnoid mater is the middle of the meningeal layers, and as its name implies, appears spider-like or more specifically has the appearance of a spider web. The arachnoid mater lies superior to the subarachnoid space, which is located between the arachnoid membrane and the pia mater.