FB2026_03 , released September 17, 2026
CV Term Report
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Term lobula columnar neuron LC9 ID (Ontology) FBbt:00100480 (Fly Anatomy)
Definition Lobula columnar neuron whose cell body is in the dorsal lateral cell body rind (Wu et al., 2016). It has processes spanning lobula layers 2-5B, with most synapses in layer 3 (Wu et al., 2016; Tanaka and Clark, 2022). The arbors in layers 3 and 4 contain presynaptic sites (Wu et al., 2016). Its arbors span approximately 20 optic columns, overlapping with other LC9 cells (Wu et al., 2016). Its axon fasciculates in the anterior optic tract and terminates in a dorsal and anterior glomerulus of the PVLP, medial to LC6 (Wu et al., 2016). There are around 150 cells of this type (Wu et al., 2016).[ FlyBase:FBrf0193607 FlyBase:FBrf0234700 ]
Also Known As"LC09" ; "LC9" ; "Lcn9"
CommentPre- versus postsynaptic innervation assessed with a presynaptic marker (synaptotagmin-HA driver) (Wu et al., 2016).
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VFB:FBbt_00100480
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Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 lobula columnar neuron LC9 (all annotations which use CV term, excluding "NOT" statements)
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adult optic lobe columnar neuron
 |__lobula columnar neuron_________________
 |__optic lobe wide-field columnar neuron__|
adult visual projection neuron             |
 |__lobula columnar neuron_________________|
                                           lobula columnar neuron LC9  21 rec.
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Is a lobula columnar neuron
optic lobe wide-field columnar neuron
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FlyBrain_NDB:10009
VFB:FBbt_00100480