part of larval protocerebrum embryonic/larval optic lobe Region of the embryonic or larval brain that contains the neuroepithelial cells that will give rise to the adult optic lobe, and the larval optic neuropil that processes visual information in the larva. larval optic lobe larvalbrain_neuropil:569 larvalbrain_neuropil:391 fly_anatomy.ontology VFB:FBbt_00001930 FBbt:00001930 multi-tissue structure