Arachnoid
MESHD001099
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.
Synonyms
- Arachnoids
- Arachnoid Mater
- Arachnoid Maters
Source last updated 2026-05-24T15:28:12.255Z