FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term female germline cell ID (Ontology) FBbt:00057012 (Fly Anatomy)
Definition Cell that develops into or is itself an egg.[ FlyBase:FBrf0247148 ]
Also Known As"female germ cell"
CommentCan be identified by expression of vasa (Rust et al., 2020).
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Annotations
Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes  Insertions Constructs
 female germline cell (all annotations which use CV term, excluding "NOT" statements)
     female germline cell | absent
      --       --
     female germline cell | absent | adult stage
      --       --       --
     female germline cell | adult stage
      --       --
     female germline cell | adult stage | decreased number
      --       --       --
     female germline cell | adult stage | increased number
      --       --       --
     female germline cell | decreased number
      --       --
     female germline cell | decreased number | germline clone
      --       --       --       --
     female germline cell | embryonic stage | maternal effect
      --       --       --
     female germline cell | germline clone
      --       --
      --
     female germline cell | germline clone | increased number
      --       --
      --
     female germline cell | germline clone | oogenesis | progressive
      --       --       --       --
     female germline cell | increased number
      --       --
     female germline cell | increased number | heat sensitive
      --       --       --
     female germline cell | increased number | oogenesis
      --       --       --
     female germline cell | larval stage
      --       --       --
     female germline cell | larval stage | maternal effect
      --       --       --
     female germline cell | oogenesis
      --       --
     female germline cell | oogenesis | progressive
      --       --       --
     female germline cell | oogenesis | somatic clone
      --       --       --       --
     female germline cell | P-stage
      --       --       --       --
     female germline cell | somatic clone
      --       --       --       --
     female germline cell | somatic clone | increased number
      --       --       --
     female germline cell | temperature conditional
      --       --       --       --
     female germline cell | third instar larval stage
      --       --       --
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cell
 |__germline cell______________________
female organism                        |
 |__female-specific anatomical entity__|
anatomical entity                      |
 |__female-specific anatomical entity__|
                                       female germline cell  3026 rec.
                                        |__cyst cell of ovary 85 rec.
                                        |   |__cyst cell of female germline 2-cell cyst
                                        |   |__cyst cell of female germline 4-cell cyst
                                        |   |__cyst cell of female germline 8-cell cyst
                                        |   |__cyst cell of female germline 16-cell cyst(+) 20 rec.
                                        |__cystoblast 110 rec.
                                        |__nurse cell 1345 rec.
                                        |   |__nurse cell fusome 22 rec.
                                        |   |__nurse cell spectrosome 18 rec.
                                        |__oocyte 1864 rec.
                                            |__oocyte nucleus(+) 328 rec.
                                            |__pole plasm(+) 159 rec.
                                            |__stage S1 oocyte 10 rec.
                                            |__stage S2 oocyte
                                            |__stage S3 oocyte
                                            |__stage S4 oocyte 4 rec.
                                            |__stage S5 oocyte
                                            |__stage S6 oocyte
                                            |__stage S7 oocyte
                                            |__stage S8 oocyte
                                            |__stage S9 oocyte
                                            |__stage S10 oocyte(+)
                                            |__stage S11 oocyte
                                            |__stage S12 oocyte
                                            |__stage S12A oocyte
                                            |__stage S12B oocyte
                                            |__stage S12C oocyte
                                            |__stage S13 oocyte
                                            |__stage S13A oocyte
                                            |__stage S13B oocyte
                                            |__stage S13C oocyte
                                            |__stage S13D oocyte
                                            |__stage S14 oocyte 18 rec.
                                            |__stage S14A oocyte
                                            |__stage S14B oocyte
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Is a germline cell
female-specific anatomical entity
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CL:0000025