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, Arachnoid

Instance information

comment

inflammation = ARACHNOIDITIS ,2015; for TENTORIUM CEREBELLI use SPINAL CORD 2015-2019 ,2015; for TENTORIUM CEREBELLI see SPINAL CORD 2015-2019

identifier

D001099

Instance relations

Types