FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term late elongation-stage spermatid ID (Ontology) FBbt:00057002 (Fly Anatomy)
Definition A nearly fully elongated spermatid bigger than 1.2 mm length, with a needle-shaped nucleus.[ FlyBase:FBrf0064778 ]
Also Known As "needle stage spermatid"
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Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       2
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 late elongation-stage spermatid (all annotations which use CV term, excluding "NOT" statements)       3      3      1      7
     late elongation-stage spermatid | increased number       1       --       --       --
Spanning Tree (Parents/Children)
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  spermatid
   |__elongation stage spermatid
       |__late elongation-stage spermatid  14 rec.
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Is a elongation stage spermatid
Develops from mid-late elongation-stage spermatid
Part of
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