has synaptic IO in region medulla layer M10 transmedullary Y neuron transmedullary Y neuron TmY15 2019-03-25T10:13:21Z FBbt:00048246 TmY15 fly_anatomy.ontology VFB:FBbt_00048246 TmY15 Transmedullary Y neuron that arborizes in multiple layers of the medulla. In layer M10, it spans more than 10 columns and its branches do not show obvious columnar subdivisions. It also arborizes in the lobula and lobula plate. It is GABAergic. adult GABAergic neuron