develops from PNS glial cell external sensory organ precursor cell IIb sense organ glial cell VFB:FBbt_00006023 FBbt:00006023 eo glial cell Glial cell formed by the division of an external sensory organ precursor cell IIb (pIIb) (Gho et al., 1999). It dies by apoptosis shortly after its birth (Fichelson and Gho, 2003). fly_anatomy.ontology