horizontal system neuron horizontal twin cell HST 2025-04-25T14:14:29Z HST VFB:FBbt_00053407 LPT04 Horizontal system neuron whose dendritic arbor extends over the central lobula plate (Zhao, 2025). It receives less lobula plate input and spans fewer columns (around 200) than other horizontal system neurons (Nern et al., 2025). There is one of these cells on each side (Nern et al., 2025). fly_anatomy.ontology HST horizontal system twin cell FBbt:00053407 HS twin