part of embryonic/larval optic stalk larval surface glial cell larval PNS glial cell embryonic/larval optic stalk surface glial cell 2011-05-24T03:20:33Z VFB:FBbt_00100522 fly_anatomy.ontology FBbt:00100522 Glial cell associated with the optic stalk that separates the R cells axons from the eye disc and hemolymph (Hummel et al., 2002).