FB2026_03 , released September 17, 2026
CV Term Report
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Term large DN3 neuron ID (Ontology) FBbt:00052275 (Fly Anatomy)
Definition DN3 neuron that has a relatively large cell body (Reinhard et al., 2022). It projects anteriorly to the anterior optic tubercle forming a characteristic loop around the superior lateral protocerebrum (Reinhard et al., 2022). Some of these cells form additional loops (Reinhard et al., 2022). It has a ventral projection that reaches the accessory medulla (Reinhard et al., 2022). There are four or five of these cells per hemisphere, half with relatively anterior somas and half with relatively posterior somas (Reinhard et al., 2022).[ FlyBase:FBrf0253505 ]
CommentSome seem to project contralaterally via the SAC, but not seen in any hemibrain large DN3s (Reinhard et al., 2022). All hemibrain cells have SLP loop, but other two loops described in Reinhard et al. (2022) are not consistent.
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VFB:FBbt_00052275
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 large DN3 neuron (all annotations which use CV term, excluding "NOT" statements)
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adult DN period neuron
 |__DN3 neuron________________
adult neuron                  |
 |__accessory medulla neuron__|
                              large DN3 neuron  8 rec.
                               |__anterior-projecting DN3 neuron 5 rec.
                               |   |__adult superior lateral protocerebrum neuron 249
                               |__DN3a neuron
                               |__large central-projecting DN3 neuron
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VFB:FBbt_00052275