arachnoid membrane

/əˌrækˈnɔɪd ˌmɛmˈbreɪn/
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Other forms: arachnoid membranes

Definitions of arachnoid membrane
  1. noun
    the middle of the 3 meninges
    synonyms: arachnoid
    see moresee less
    type of:
    meninges, meninx
    a membrane (one of 3) that envelops the brain and spinal cord
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