FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term pontine neuron P2 ID (Ontology) FBbt:00007524 (Fly Anatomy)
Definition Adult fan-shaped body delta neuron that connects adjacent columns of the same layer of the fan-shaped body (Hanesch et al., 1989; Young and Armstrong, 2010).[ FlyBase:FBrf0049409 FlyBase:FBrf0210154 ]
Comment See Figure 9 of Hanesch et al. (1989). According to Scheffer et al. (2020) and Hulse et al. (2021) hemibrain papers, all bicolumnar pontine neurons are separated by half the width of the FB (i.e P1 type), meaning that this cell type may not exist (but could just be absent from the hemibrain fly).
Links to External Ontologies
VFB:FBbt_00007524
Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
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 Insertions
 pontine neuron P2 (all annotations which use CV term, excluding "NOT" statements)       1
Spanning Tree (Parents/Children)
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small field neuron of the central complex
 |__adult fan-shaped body delta neuron___
fan-shaped body columnar neuron          |
 |__adult fan-shaped body delta neuron___|
intrinsic neuron of the central complex  |
 |__adult fan-shaped body delta neuron___|
 |__fan-shaped body intrinsic neuron_____|
                                         pontine neuron P2  1 rec.
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Is a adult fan-shaped body delta neuron
fan-shaped body intrinsic neuron
Part of
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Synonyms
  • "PFS2" RELATED
    "pontine fiber system 2" RELATED
Secondary IDs
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FlyBrain_NDB:10252
VFB:FBbt_00007524