Noun meninx has 1 sense
  1. meninx, meninges - a membrane (one of 3) that envelops the brain and spinal cord
    --1 is a kind of membrane, tissue layer
    --1 has parts: subarachnoid space
    --1 has particulars:
     leptomeninges; dura mater, dura; arachnoid, arachnoid membrane; pia mater
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