part of part of immediate transformation of membrane organ meninx https://upload.wikimedia.org/wikipedia/commons/4/48/Illu_meninges.jpg ZFA:0001355 meningeal layer EFO:0000867 BTO:0000144 FMA:9589 UBERON:0002360 GAID:687 NCIT:C12348 VHOG:0001295 TAO:0001355 Wikipedia:Meninx meninx NLXANAT:090204 layer of meninges CALOHA:TS-1177 MA:0001113 Membrane organ that surrounds the brain and the spinal cord. EMAPA:32660 MAT:0000113 MESH:D008578 meninx primitiva UMLS:C0025285 ectoderm-derived structure future meninx meningeal cluster