FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term germline cyst ID (Ontology) FBbt:00004875 (Fly Anatomy)
Definition A developing unit of gametogenesis consisting of germline cells encapsulated by a layer of somatic cells.
Comment
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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
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      79
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      13
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      14
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
 germline cyst (all annotations which use CV term, excluding "NOT" statements)      79      7     14     14
     germline cyst | ectopic       4       --       --       3
     germline cyst | ectopic | heat sensitive       1       --       --       1
     germline cyst | germline clone      11       --       1       --
     germline cyst | heat sensitive       2       --       --       1
     germline cyst | increased number       2       --       --       1
     germline cyst | male       1       --       --       --
     germline cyst | non-rescuable maternal effect       1       --       1       --
     germline cyst | somatic clone       2       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
  multicellular structure
   |__multi-tissue structure
       |__germline cyst  7680 rec.
           |__female germline cyst 5683 rec.
           |   |__egg chamber 5501 rec.
           |   |__female germline 2-cell cyst
           |   |__female germline 4-cell cyst
           |   |__female germline 8-cell cyst 6 rec.
           |   |__female germline 16-cell cyst 28 rec.
           |__male germline cyst 2288 rec.
           |   |__spermatid cyst 1189 rec.
           |   |__spermatocyte cyst(+) 1000 rec.
           |   |__spermatogonial cyst 419 rec.
           |__male larval germline cyst 3 rec.
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