FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic stage 6 ID (Ontology) FBdv:00005318 (Fly Development)
Definition Stage 6 begins when the ventral furrow becomes apparent, an event which is followed rapidly by the formation of the cephalic furrow. Stage 6 ends when the pole cells have adopted a dorsal (horizontal) position at the posterior. Duration at 25 degrees C: approximately 10 minutes (170-180 minutes after egg laying).[ FlyBase:FBrf0089570 ]
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      29
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 Alleles Genes Insertions Constructs
 embryonic stage 6 (all annotations which use CV term, excluding "NOT" statements)       --    3922     29     68
     abnormal cell shape | embryonic stage 6       5       --       --       4
     cephalic furrow | absent | embryonic stage 6       7       --       --       4
     cephalic furrow | embryonic stage 6       4       --       --       4
     embryo | embryonic stage 6       5       --       2      3
     epithelial cell | embryonic stage 6       5       --       --       4
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  developmental stage
   |__embryonic stage 6  4019 rec.
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Substage of gastrula stage
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