Arachnoid

A delicate membrane enveloping the brain and spinal cord. It lies between the PIA MATER and the DURA MATER. It is separated from the pia mater by the subarachnoid cavity which is filled with CEREBROSPINAL FLUID.

Year introduced: 2015

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Tree Number(s): A08.186.566.166

MeSH Unique ID: D001099

Entry Terms:

• Arachnoids
• Arachnoid Mater
• Arachnoid Maters

All MeSH Categories
Anatomy Category
Nervous System
Central Nervous System
Meninges
Arachnoid
Subarachnoid Space
Cisterna Magna