Anatomical hierarchy

General Anatomy > Nervous system > Central part of nervous system; Central nervous system > Meninges > Leptomeninx; Arachnoid mater and pia mater

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The leptomeninges are arachnoid and pia mater together.The morphology of the brain in meningococcal meningitis is said[by whom?] to be covered byexudate on the surface of and within the leptomeninges. Because the arachnoid is connected to the pia by cob-web like strands, it is structurally continuous with the pia, hence the name pia-arachnoid or leptomeninges. They are responsible for the production of beta-trace.

This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from


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