FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term vertical system neuron 1 ID (Ontology) FBbt:00007517 (Fly Anatomy)
Definition The outermost vertical system neuron. This neuron has a main dendritic shaft that produces one or a few dorsally projecting branches before sweeping ventrally. As the main shaft extends ventrally, it continues to produce smaller branches that combine to form a narrow band covering the most lateral part of the lobula plate. This cell is relatively flat but extends anteriorly in the dorsal aspect of its dendritic tree (Scott et al., 2002). Its receptive field of vision is the most frontal of all VS cells. It is electrically coupled to VS2 (Joesch et al., 2008). It extends a substantial proportion of processes into lobula plate layer 2 as well as layer 4 (Boergens et al., 2018).[ FlyBase:FBrf0155898 FlyBase:FBrf0204334 ]
Also Known As "LPT05" ; "VS1"
Comment Electrical coupling was shown indirectly by neurobiotin dye coupling in vertical system cells labelled using the P\{GAL4\}DB331 driver (FBti0115113) (Joesch et al., 2008). Due to its morphology and functional similarity, this cell is judged to be homologous to the VS1 cell in the blowfly (Scott et al., 2002).
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VFB:FBbt_00007517
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 vertical system neuron 1 (all annotations which use CV term, excluding "NOT" statements)
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lobula plate giant neuron_______
adult visual projection neuron__|
                                vertical system neuron
                                 |__vertical system neuron 1  2 rec.
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VFB:FBbt_00007517