]> T2a neuron Pre- versus postsynaptic innervation judged by scoring of terminal morphology from figures in Fischbach and Dittrich (1989) as assessed by FlyBrain Neuron DB. T2a VFB:FBbt_00003729 FlyBrain_NDB:10117 T2a T neuron T2a fly_anatomy.ontology FBbt:00003729 T neuron with its soma posteriorly adjacent to the gap between the medulla and lobula plate and a cell body fiber that projects along the proximal surface of the medulla before branching in the second optic chiasm (Fischbach and Dittrich, 1989; Shinomiya et al., 2019). One branch projects into a medulla column, where it forms a bushy, fine, arborization in medulla layer M9 and then projects through the rest of the medulla column, bifurcating in medulla layer M5 and forming fine arbors throughout layers M1-4. The other branch forms a terminal arborization in lobula layer 3 that is much wider than a single column and has bleb-type terminal branches. cell body rind of adult posterior lobula plate has soma location receives synaptic input in region sends synaptic output to region T neuron medulla layer M1 medulla layer M2 medulla layer M3 medulla layer M4 medulla layer M5 medulla layer M8 medulla layer M9 medulla layer M10 lobula layer 3