Leptomeninges
leptomeninges lep·to·me·nin·ges (lěp’tō-mə-nĭn’jēz)
n.
The pia mater and arachnoid considered as one unit enveloping the brain and spinal cord. Also called pia-arachnoid.
lep’to·me·nin’ge·al (-jē-əl) adj.
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