develops from receives synaptic input in region sends synaptic output to region medulla layer M1 medulla layer M2 medulla layer M4 medulla layer M5 medulla layer M6 medulla layer M8 medulla layer M10 transmedullary Y neuron transmedullary Y neuron TmY3 FBbt:00003820 Transmedullary Y neuron that terminates with bleb-type arborizations in lobula layers 4 and lobula plate layer 4. It displays fine arborizations in medulla layers M1, M2, M4, M5, M6, M8, and M10, and has bleb-type arborizations in medulla layers M5 and M10. It is cholinergic (Davis et al., 2020). fly_anatomy.ontology TmY3 Pre- versus postsynaptic innervation judged by scoring of terminal morphology from figures in Fischbach and Dittrich (1989) as assessed by FlyBrain Neuron DB. FlyBrain_NDB:10171 TmY3 VFB:FBbt_00003820 lobula layer 4 lobula plate layer 4 Notch ON hemilineage secondary neuron immature transmedullary Y neuron TmY3 adult cholinergic neuron