lobula plate layer 3 FBbt:00040020 lobula plate layer C Layer of the lobula plate that is third-closest to the second optic chiasm (Fischbach and Dittrich, 1989). The T4c and T5c neurons arborize in this layer (Fischbach and Dittrich, 1989). Neurons in this layer are sensitive to upward motion (Henning et al., 2022). FBbt:00003888 layer Lop3 VFB:FBbt_00003888 fly_anatomy.ontology lobula plate layer