FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term frontal bristle ID (Ontology) FBbt:00004124 (Fly Anatomy)
Definition Small bristle of the anterior head, located dorsal the antenna on the medial postfrons. There are 5-6 of these on each side (Eichler et al., 2024).[ FlyBase:FBrf0007734 FlyBase:FBrf0031004 FlyBase:FBrf0259346 ]
Also Known As "Fr bristle" ; "frontal seta"
Comment
Links to External Ontologies
VFB:FBbt_00004124
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
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       5
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       2
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
 frontal bristle (all annotations which use CV term, excluding "NOT" statements)       5      2      2
     frontal bristle | increased number       2       --       --
     frontal bristle | pharate adult stage       2       --       1
     frontal bristle | somatic clone       1       --       --
     frontal bristle | somatic clone - Minute background       1       --       --
Spanning Tree (Parents/Children)
Only view relationship: 
chaeta
 |__adult head bristle__
mechanosensory chaeta   |
 |__microchaeta_________|
adult sensillum         |
 |__microchaeta_________|
adult head sensillum    |
 |__adult head bristle__|
                        frontal bristle  9 rec.
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Is a adult head bristle
microchaeta
Develops from presumptive frontal bristle
Part of postfrons
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Synonyms
Secondary IDs
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VFB:FBbt_00004124