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.
ID
http://purl.bioontology.org/ontology/MESH/D001099
altLabel
Mater, Arachnoid
Arachnoid Maters
Arachnoid Mater
Arachnoids
Maters, Arachnoid
AN
inflammation = ARACHNOIDITIS
AQL
AB AH BS CH CY DE DG EM EN GD IM IN ME MI PA PH PP PS RE SU TR UL VI
cui
C0003707
DC
1
definition
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.