ocellus lateral ocellus pOC fly_anatomy.ontology VFB:FBbt_00004506 Lateral ocellus located on the ocellar triangle of the dorsal postfrons of the adult head, medial to the interocellar bristles. There are two of these, each one with around 100 photoreceptors (Dorkenwald et al., 2024). FBbt:00004506 posterior ocellus UBERON:0003162