FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term varicosity ID (Ontology) GO:0043196 (Gene Ontology)
Definition Non-terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters.
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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
Genes (FBgn)  GO_CELLULAR_COMPONENT       1
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Relevant FlyBase reports
 Alleles Genes Constructs
 varicosity (all annotations which use CV term, excluding "NOT" statements)       --       2       --
     located_in | varicosity       --       1       --
     varicosity | adult stage       3       --       5
     varicosity | increased number | third instar larval stage       2       --       1
     varicosity | third instar larval stage       5       --       1
Spanning Tree (Parents/Children)
Only view relationship: 
cellular_component
 |__cellular anatomical structure__
axon                               |
 |__main axon______________________|
cellular anatomical structure      |
 |__main axon______________________|
                                   varicosity  2 rec.
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Is a cellular anatomical structure
Part of main axon
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