FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term stage 2 embryo ID (Ontology) FBbt:00005293 (Fly Anatomy)
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 ]
Comment DEPRECATION WARNING.
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Spanning Tree (Parents/Children)
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embryo
 |__cleavage stage embryo__
 |__pre-blastoderm embryo__|
                           stage 2 embryo  7 rec.
                            |__cycle 2 embryo 1 rec.
                            |__cycle 3 embryo 1 rec.
                            |__cycle 4 embryo 1 rec.
                            |__cycle 5 embryo 1 rec.
                            |__cycle 6 embryo 1 rec.
                            |__cycle 7 embryo 1 rec.
                            |__cycle 8 embryo 1 rec.
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Is a cleavage stage embryo
pre-blastoderm embryo
Develops from stage 1 embryo
Part of
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