FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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"
Comment Can be identified by expression of vasa (Rust et al., 2020).
Links to External Ontologies
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
Alleles (FBal)  PHENOTYPE_MANIFEST_IN     165
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      12
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      32
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      91
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)     165     36     14     42    105
     female germline cell | absent      25       --       --       4     21
     female germline cell | absent | adult stage       3       --       --       --       4
     female germline cell | adult stage      10       --       --       4      5
     female germline cell | adult stage | decreased number       2       --       --       --       2
     female germline cell | adult stage | increased number       5       --       --       --       4
     female germline cell | decreased number      17       --       --       2     12
     female germline cell | decreased number | germline clone       1       --       --       --       --
     female germline cell | embryonic stage | maternal effect       2       --       --       --       3
     female germline cell | germline clone       5       --       --       2       --
     female germline cell | germline clone | increased number       4       --       --       1       --
     female germline cell | germline clone | oogenesis | progressive       1       --       --       --       --
     female germline cell | increased number      31       --       --       1     24
     female germline cell | increased number | heat sensitive       5       --       --       --       4
     female germline cell | increased number | oogenesis       2       --       --       --       2
     female germline cell | larval stage       3       --       --       --       3
     female germline cell | larval stage | maternal effect       2       --       --       --       3
     female germline cell | oogenesis       8       --       --       1      4
     female germline cell | oogenesis | progressive       2       --       --       --       3
     female germline cell | oogenesis | somatic clone       1       --       --       --       --
     female germline cell | somatic clone       2       --       --       --       --
     female germline cell | somatic clone | increased number       3       --       --       --       3
     female germline cell | temperature conditional       1       --       --       --       --
     female germline cell | third instar larval stage       4       --       --       --       3
Spanning Tree (Parents/Children)
Only view relationship:
cell
 |__germline cell______________________
anatomical entity                      |
 |__female-specific anatomical entity__|
                                       female germline cell  2989 rec.
                                        |__cyst cell of ovary 84 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 1323 rec.
                                        |__oocyte 1850 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
Spanning Tree View Settings
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Is a germline cell
female-specific anatomical entity
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Synonyms
Secondary IDs
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CL:0000025