FB2026_03 , released September 17, 2026
CV Term Report
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Term cephalic furrow ID (Ontology) FBbt:00000097 (Fly Anatomy)
Definition Furrow of the embryo that roughly separates the procephalon from the gnathal, thoracic and abdominal regions (Campos-Ortega and Hartenstein, 1985). It appears during stage 6, extending from the dorsal midline as an almost vertical slit, then progressively reclines posteriorly (Campos-Ortega and Hartenstein, 1985). It vanishes during stage 11, as its cells contribute to the gnathocephalon (Campos-Ortega and Hartenstein, 1985).[ FlyBase:FBrf0041814 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Images Insertions Constructs
 cephalic furrow (all annotations which use CV term, excluding "NOT" statements)
     cephalic furrow | absent | embryonic stage 6
      --       --       --
     cephalic furrow | embryonic stage 6
      --       --       --
     cephalic furrow | germline clone
      --       --       --       --
     cephalic furrow | maternal effect
      --       --       --       --
     cephalic furrow | maternal effect | heat sensitive
      --       --       --       --
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organism
 |__embryo_____________
epithelium             |
 |__epithelial furrow__|
                       cephalic furrow  197 rec.
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Is a epithelial furrow
Part of embryo
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UBERON:6000097