FB2026_03 , released September 17, 2026
CV Term Report
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Term mushroom body output neuron 17 ID (Ontology) FBbt:00111064 (Fly Anatomy)
Definition Subtype of the mushroom body ventral lobe arborizing neuron 2 alpha'. It arborizes in the alpha' slice 3 middle domain and its axon projects to the lateral horn. There are two of these neurons per hemisphere (Aso et al., 2014; Truman et al., 2023), forming two connectivity patterns (Li et al., 2020). They are DL1 (CP2) secondary neurons (Truman et al., 2023).[ FlyBase:FBrf0214029 FlyBase:FBrf0227179 FlyBase:FBrf0248215 FlyBase:FBrf0255928 ]
Also Known As"MBON-17" ; "MBON-alpha'3m" ; "MBON17" (for all, see Synonyms field below)
CommentTwo of these cells were identified by Aso et al. (2014). These were identified as having two connectivity patterns by Li et al. (2020), with one subtype being referred to as "MBON17-like", but still classed as an MBON17 (Li et al., 2020).
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VFB:FBbt_00111064
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 mushroom body output neuron 17 (all annotations which use CV term, excluding "NOT" statements)
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neuron
 |__secondary neuron________________________________________
adult typical mushroom body output neuron                   |
 |__mushroom body vertical lobe arborizing neuron 2 alpha'__|
adult DL1 lineage clone                                     |
 |__adult DL1 lineage neuron________________________________|
adult CNS neuron                                            |
 |__adult DL1 lineage neuron________________________________|
mushroom body vertical lobe arborizing neuron 2             |
 |__mushroom body vertical lobe arborizing neuron 2 alpha'__|
CP2 lineage neuron                                          |
 |__adult DL1 lineage neuron________________________________|
                                                            mushroom body output neuron 17  14 rec.
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Is a secondary neuron
adult DL1 lineage neuron
mushroom body vertical lobe arborizing neuron 2 alpha'
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VFB:FBbt_00111064