FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term Y neuron Y3 ID (Ontology) FBbt:00003914 (Fly Anatomy)
Definition Wide-field Y neuron with a mix of bleb-type and fine arborizations in the lobula plate. These show some stratification, but cover all layers to some extent. The medulla branch has a relatively wide, terminal arborization field in M8-10 with a mix of bleb-type and fine arborization. The lobula innervating branch has narrow arborizations, also of mixed type in layers 2-5 (Morante and Desplan, 2008; Fischbach and Dittrich, 1989).[ FlyBase:FBrf0049410 FlyBase:FBrf0204652 ]
Also Known As "Y3"
Comment Pre- versus postsynaptic innervation judged by scoring of terminal morphology from figures in Fischbach and Dittrich (1989) as assessed by FlyBrain Neuron DB.
Links to External Ontologies
VFB:FBbt_00003914
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       3
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 Full annotation statements 
Relevant FlyBase reports
 Insertions
 Y neuron Y3 (all annotations which use CV term, excluding "NOT" statements)       3
Spanning Tree (Parents/Children)
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adult optic lobe columnar neuron
 |__optic lobe wide-field columnar neuron__
optic lobe intrinsic columnar neuron       |
 |__Y neuron_______________________________|
                                           Y neuron Y3  3 rec.
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Is a Y neuron
optic lobe wide-field columnar neuron
Part of
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Synonyms
  • "Y3" EXACT VFB_SYMBOL
Secondary IDs
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FlyBrain_NDB:10179
VFB:FBbt_00003914