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Noun: arachnoid membrane  u'rak,noyd 'mem,breyn
  1. The middle of the 3 meninges
    "The arachnoid membrane contains cerebrospinal fluid";
    - arachnoid

Derived forms: arachnoid membranes

Type of: meninges, meninx

Part of: leptomeninges

Encyclopedia: Arachnoid membrane