receives synaptic input in region sends synaptic output to region fan-shaped body layer 2 fan-shaped body layer 4 fan-shaped body layer 5 adult fan-shaped body horizontal delta neuron adult fan-shaped body horizontal delta neuron M 2022-08-19T15:09:44Z hDeltaM FBbt:00052289 fly_anatomy.ontology hΔM hΔM Adult fan-shaped body horizontal delta neuron that has its inputs mainly in layers 2 and 4 and its outputs mainly in layer 5 (Scheffer et al., 2020; Hulse et al., 2021). There are around 9 of these cells per organism, which divide the fan-shaped body into 8 columns (Hulse et al., 2021). FB2,4D3FB5 VFB:FBbt_00052289