label: Medullary intrinsic neuron 4, Mi4, Mi4_R, FBbt_00003779 (Fischbach & Dittrich, 1989); Transmedullary neuron 1, Tm1, Tm1_R,  FBbt_00003789 (Fischbach & Dittrich, 1989); Tm1; Transmedullary neuron 1; FBbt_00003789