FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term cystic bulge ID (Ontology) FBbt:10005989 (Fly Anatomy)
Definition Individualisation of spermatids takes place within this bulge - a membrane-cytoskeletal complex that resolves the shared membrane of the spermatid bundle into individual membranes encasing each spermatid and which progresses along the entire length of the spermatid bundle, from head to tail.[ FlyBase:FBrf0064778 FlyBase:FBrf0158862 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Insertions Constructs
 cystic bulge (all annotations which use CV term, excluding "NOT" statements)
     cystic bulge | absent
      --
     cystic bulge | decreased number
      --
     cystic bulge | spermatogenesis
      --       --       --
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spermatid
 |__individualization stage spermatid__
anatomical structure                   |
 |__multi-cell-component structure_____|
male organism                          |
 |__male-specific anatomical entity____|
anatomical entity                      |
 |__male-specific anatomical entity____|
                                       cystic bulge  113 rec.
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Is a multi-cell-component structure
male-specific anatomical entity
Part of individualization stage spermatid
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Synonyms
  • "individualization complex" RELATED
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