FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
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.
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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
 germline cyst (all annotations which use CV term, excluding "NOT" statements)
     germline cyst | ectopic
      --       --
     germline cyst | ectopic | heat sensitive
      --       --
     germline cyst | germline clone
      --
      --
     germline cyst | heat sensitive
      --       --
     germline cyst | increased number
      --       --
     germline cyst | male
      --       --       --
     germline cyst | non-rescuable maternal effect
      --
      --
     germline cyst | somatic clone
      --
      --
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  multicellular structure
   |__multi-tissue structure
       |__germline cyst  7745 rec.
           |__female germline cyst 5734 rec.
           |   |__cyst cell of ovary(+) 85 rec.
           |   |__egg chamber(+) 5551 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.
           |   |__nurse cell ring canal(+) 202 rec.
           |__male germline cyst 2304 rec.
           |   |__cyst cell of testis(+) 235 rec.
           |   |__spermatid cyst(+) 1198 rec.
           |   |__spermatocyte cyst(+) 1007 rec.
           |   |__spermatogonial cyst(+) 419 rec.
           |__male larval germline cyst 3 rec.
               |__cyst cell of larval testis(+) 1 rec.
               |__larval primary spermatocyte(+) 1 rec.
               |__larval spermatogonium
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