Leptomeninges

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The innermost layers of the meninges; the pia mater and the arachnoid
  2. 2
    the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers wordnet

Related phrases

pia mater

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.