FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term stage S1 oocyte ID (Ontology) FBbt:00005261 (Fly Anatomy)
Definition Oocyte during stage 1 of oogenesis. It is found at the posterior end of the newly-formed egg chamber in region 3 of the germarium (Reichmann and Ephrussi, 2001) and is a similar size to the nurse cells (Mahowald and Kambysellis, 1980).[ FlyBase:FBrf0021038 FlyBase:FBrf0034074 FlyBase:FBrf0064777 FlyBase:FBrf0137209 ]
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Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       6
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       3
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 Alleles Insertions Constructs
 stage S1 oocyte (all annotations which use CV term, excluding "NOT" statements)       6      1      3
     stage S1 oocyte | increased number       6      1      3
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  female germline cell
   |__oocyte
       |__stage S1 oocyte  10 rec.
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Is a oocyte
Part of germarium region 3
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