part of overlaps develops from adult adult antennal lobe neuroblast lineage clone anterior ectoderm derivative vest neuroblast BAla2 adult ALv2 lineage clone BAla lineage clone vlNB lineage clone adult ALv2 lineage clone A clone of neurons in the adult brain, all of which develop from neuroblast ALv2. vLN lineage clone FBbt:00050036 vlLN lineage clone VFB:FBbt_00050036 fly_anatomy.ontology adult BAla2 lineage clone