FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term labral segment ID (Ontology) FBbt:00000008 (Fly Anatomy)
Definition Anteriormost procephalic segment, anterior to the ocular segment. In the adult it bears the clypeo-labrum.[ FlyBase:FBrf0055841 FlyBase:FBrf0075072 FlyBase:FBrf0089570 ]
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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
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 labral segment (all annotations which use CV term, excluding "NOT" statements)
     labral segment | maternal effect
      --       --       --       --
Spanning Tree (Parents/Children)
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Vocabulary search 
  head segment
   |__procephalic segment
       |__labral segment  308 rec.
           |__adult labral segment
           |__embryonic labral segment 80 rec.
           |__embryonic/larval epipharynx 1 rec.
           |   |__buccal tree
           |__larval labral segment 113 rec.
           |   |__clypeo-labral disc(+) 7 rec.
           |   |__embryonic/larval labral nerve 6 rec.
           |   |__embryonic/larval labral segment sense organ(+) 36 rec.
           |   |__larval labral sensory complex(+) 91 rec.
           |__median tooth 31 rec.
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Is a procephalic segment
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Synonyms
  • "clypeo-labrum" RELATED
Secondary IDs
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UBERON:6000008