FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic stage 2 ID (Ontology) FBdv:00005293 (Fly Development)
Definition Nuclear divisions 3-8. The egg cytoplasm contracts producing a clear separation from the vitelline membrane and empty spaces at the anterior and posterior. The cleavage nuclei migrate towards the periphery. Duration at 25 degrees C approximately 40 minutes (25-65 minutes AEL).[ FlyBase:FBrf0089570 ]
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       6
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 Alleles Genes Insertions Constructs
 embryonic stage 2 (all annotations which use CV term, excluding "NOT" statements)       --    4352      6      6
     abnormal mitotic cell cycle | embryonic stage 2       1       --       --       --
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  developmental stage
   |__embryonic stage 2  4367 rec.
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Is a developmental stage
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Substage of pre-blastoderm stage
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