FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term stage 1 embryo ID (Ontology) FBbt:00005291 (Fly Anatomy)
Definition Nuclear divisions 1 and 2. Duration at 25 degrees C: approximately 25 minutes (0-25 minutes after egg laying).[ FlyBase:FBrf0089570 ]
Comment DEPRECATION WARNING.
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embryo
 |__cleavage stage embryo__
 |__pre-blastoderm embryo__|
                           stage 1 embryo  1 rec.
                            |__cycle 1 embryo 1 rec.
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Is a cleavage stage embryo
pre-blastoderm embryo
Part of
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