FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term orbital bristle ID (Ontology) FBbt:00004116 (Fly Anatomy)
Definition Large bristle at the anterior dorsal edge of the eye (Eichler et al., 2024). There are three of these on each side (Eichler et al., 2024).[ FlyBase:FBrf0031004 FlyBase:FBrf0259346 ]
Also Known As "Or bristle" ; "orbital seta"
Comment
Links to External Ontologies
VFB:FBbt_00004116
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      45
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       5
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       4
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
 orbital bristle (all annotations which use CV term, excluding "NOT" statements)      45      2      5      4
     orbital bristle | ectopic       4       --       1      2
     orbital bristle | ectopic | somatic clone       1       --       --       --
     orbital bristle | increased number       2       --       --       1
     orbital bristle | pharate adult stage | increased number       2       --       --       --
     orbital bristle | somatic clone - Minute background       1       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
chaeta
 |__adult head bristle__
mechanosensory chaeta   |
 |__macrochaeta_________|
adult head sensillum    |
 |__adult head bristle__|
                        orbital bristle  114 rec.
                         |__anterior orbital bristle 56 rec.
                         |__middle orbital bristle 23 rec.
                         |__posterior orbital bristle 18 rec.
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Is a adult head bristle
macrochaeta
Develops from presumptive orbital bristle
Part of adult head capsule
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Synonyms
Secondary IDs
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VFB:FBbt_00004116