FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term ocellar bristle ID (Ontology) FBbt:00004128 (Fly Anatomy)
Definition Large bristle of the adult dorsal head, located immediately anterior to the lateral ocellus (Eichler et al., 2024). There is one of these on each side (Eichler et al., 2024).[ FlyBase:FBrf0007734 FlyBase:FBrf0031004 FlyBase:FBrf0259346 ]
Also Known As "Oc bristle" ; "ocellar seta"
Comment
Links to External Ontologies
VFB:FBbt_00004128
Annotations
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Images Insertions Constructs
 ocellar bristle (all annotations which use CV term, excluding "NOT" statements)
     ocellar bristle | decreased number
      --       --
     ocellar bristle | decreased number | female
      --
      --
     ocellar bristle | decreased number | pharate adult stage
      --
      --
     ocellar bristle | heat sensitive
      --
     ocellar bristle | somatic clone
      --       --       --
     ocellar bristle | somatic clone - Minute background
      --       --       --
     ocellar bristle | somatic clone | increased number
      --       --       --
Spanning Tree (Parents/Children)
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chaeta
 |__adult head bristle__
mechanosensory chaeta   |
 |__macrochaeta_________|
adult head sensillum    |
 |__adult head bristle__|
region of integument    |
 |__ocellar triangle____|
vertex                  |
 |__ocellar triangle____|
                        ocellar bristle  165 rec.
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Is a adult head bristle
macrochaeta
Develops from presumptive ocellar bristle
Part of ocellar triangle
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Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?ocellar%20setae
VFB:FBbt_00004128