FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term bract ID (Ontology) FBbt:00005180 (Fly Anatomy)
Definition A specialized, enlarged trichome-like structures that is located close to the base of a bristle. Bracts are induced by bristles, but are not a product of the bristle lineage (del Alamo et al., 2002 and refs therein). They are located on the proximal side of the bristle and share the same polarity. Bracts are found in the legs and wings.[ FlyBase:FBrf0012178 FlyBase:FBrf0146986 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 bract (all annotations which use CV term, excluding "NOT" statements)
     bract | cell autonomous | ectopic | somatic clone
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     bract | ectopic
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     bract | ectopic | somatic clone
      --       --
     bract | heat sensitive
      --       --       --
     bract | increased number
      --       --       --
     bract | somatic clone
      --
      --
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  cuticular specialization
   |__trichome
       |__bract  76 rec.
           |__mesothoracic femoral bract 8 rec.
           |__mesothoracic tibial bract 17 rec.
           |__metathoracic femoral bract 8 rec.
           |__metathoracic tibial bract 5 rec.
           |__prothoracic femoral bract 8 rec.
           |__prothoracic tibial bract 5 rec.
           |__proximal costal bract
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Is a trichome
Develops from bract primordium
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