part of develops from adult optic lobe synaptic neuropil subdomain accessory medulla fly_anatomy.ontology A small area of neuropil on the frontomedial edge of the medulla, close to the outgoing fibers running from the serpentine layer to the posterior optic commissure. It is the descendant of the larval optic neuropil (Sprecher et al., 2011). AME aMe FBbt:00045003 VFB:FBbt_00045003 larval optic neuropil