protocerebral neuroblast type I neuroblast neuroblast VPNv3 2013-05-22T11:24:12Z VFB:FBbt_00110407 FBbt:00110407 This lineage originates in the optic lobe and its neuroblast of origin has not been demonstrated in the larva (Schlegel et al., 2024 - FlyBase:FBrf0260535). Neuroblast that generates a clone of adult neurons that collectively innervate the lobula, the anterior and posterior ventrolateral protocerebrum and the epaulette (Ito et al., 2013). It has approximately 42 progeny at the adult stage (Ito et al., 2013). neuroblast VPNv3 fly_anatomy.ontology