part of CNS surface glial cell central nervous system glial cell perineurial glial cell perineurial glial sheath CNS perineurial glial cell FBbt:00007597 perineurial surface associated glial cell VFB:FBbt_00007597 Any glial cell (FBbt:00005144) that is part of some central nervous system (FBbt:00005094) and is part of some perineurial glial sheath (FBbt:00007089). CNS perineurial sheath glial cell fly_anatomy.ontology CNS perineurial sheath cell