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URL: https://flybase.org/cgi-bin/cvreport.pl?id=FBdv:00005323

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FB2026_01 , released March 12, 2026
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General Information
Term embryonic stage 9 ID (Ontology) FBdv:00005323 (Fly Development)
Definition Stage 9 begins when mesodermal segmentation becomes (transiently) visible, and ends with the appearance of the stomodeal invagination slightly ventral to the anterior pole. Duration at 25 degrees C: approximately 40 minutes (220-260 minutes after egg laying).[ FlyBase:FBrf0089570 ]
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Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      88
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Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
 Alleles Genes Insertions Constructs
 embryonic stage 9 (all annotations which use CV term, excluding "NOT" statements)       --    3532     88    149
     abnormal neuroanatomy | embryonic stage 9       2       --       --       2
     adherens junction | embryonic stage 9       1       --       --       --
     Dd1 neuroblast | embryonic stage 9       1       --       --       --
     Dv2 neuroblast | embryonic stage 9       1       --       --       --
     Dv3 neuroblast | embryonic stage 9       1       --       --       --
     Dv6 neuroblast | embryonic stage 9       1       --       --       --
     embryo | embryonic stage 9       2       --       --       2
     neuroblast MBp | embryonic stage 9       2       --       --       2
     nucleus | embryonic stage 9       2       --       --       2
     Pcv1 neuroblast | embryonic stage 9       1       --       --       --
     Pcv3 neuroblast | embryonic stage 9       1       --       --       --
     Pcv6 neuroblast | embryonic stage 9       1       --       --       --
     Pcv7 neuroblast | embryonic stage 9       1       --       --       --
     Ppv2 neuroblast | embryonic stage 9       1       --       --       --
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Is a developmental stage
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Substage of early extended germ band stage
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Synonyms & Secondary IDs
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