FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN     132
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      13
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      15
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Images Insertions Constructs
 ocellar bristle (all annotations which use CV term, excluding "NOT" statements)     132      4     14     15
     ocellar bristle | decreased number       2       --       --       1
     ocellar bristle | decreased number | female       1       --       1       --
     ocellar bristle | decreased number | pharate adult stage       2       --       1       --
     ocellar bristle | heat sensitive       4       --       1      2
     ocellar bristle | somatic clone       1       --       --       --
     ocellar bristle | somatic clone - Minute background       1       --       --       --
     ocellar bristle | somatic clone | increased number       1       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
chaeta
 |__adult head bristle__
mechanosensory chaeta   |
 |__macrochaeta_________|
adult head sensillum    |
 |__adult head bristle__|
                        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