FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term terminal filament ID (Ontology) FBbt:00004901 (Fly Anatomy)
Definition Anterior most region of the germarium, forming the tip. It contains a group of terminal filament somatic cells. Only the most posterior cells contact the germline stem cells.[ FlyBase:FBrf0064777 FlyBase:FBrf0084162 ]
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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
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 terminal filament (all annotations which use CV term, excluding "NOT" statements)
     terminal filament | adult stage
      --       --
     terminal filament | adult stage | maternal effect
      --       --       --       --
     terminal filament | adult stage | somatic clone
      --       --       --       --
     terminal filament | ectopic
      --       --       --       --
     terminal filament | heat sensitive
      --       --
      --
     terminal filament | larval stage
      --       --
      --
     terminal filament | larval stage | somatic clone
      --       --       --
     terminal filament | late third instar larval stage
      --       --
      --
     terminal filament | prepupal stage
      --       --       --
     terminal filament | pupal stage
      --       --
      --
     terminal filament | somatic clone
      --       --       --       --
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Vocabulary search 
ovariole
 |__germarium__________________________
anatomical structure                   |
 |__multicellular structure____________|
multi-tissue structure                 |
 |__germarium__________________________|
female organism                        |
 |__female-specific anatomical entity__|
female-specific anatomical entity      |
 |__germarium__________________________|
anatomical entity                      |
 |__female-specific anatomical entity__|
                                       terminal filament  124 rec.
                                        |__terminal filament cell 33 rec.
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Is a female-specific anatomical entity
multicellular structure
Part of germarium
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