part of part of bounding layer of has member central nervous system meninx meningeal cluster EHDAA2:0004661 EMAPA:32660 FMA:231572 In some primitive organisms, the meningeal cluster includes only the primitive meninx The collection of all meningeal layers that line a central nervous system. UBERON:0010743 cerebral meninges cluster of meninges meningeal meninges uberon anatomical collection