FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term terminal filament cell ID (Ontology) FBbt:00048288 (Fly Anatomy)
Definition Somatic cell of the anterior part of the terminal filament that does not contact the germline stem cells.[ FlyBase:FBrf0084162 FlyBase:FBrf0235707 ]
Also Known As "tf cell"
Comment They express en and weak LamC, but unlike cap cells they lack tj expression (Panchal et al., 2017).
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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       4
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      15
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       3
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Relevant FlyBase reports
 Alleles Genes  Insertions Constructs
 terminal filament cell (all annotations which use CV term, excluding "NOT" statements)       4      4      1     15      9
     terminal filament cell | decreased number | third instar larval stage       3       --       --       --       2
     terminal filament cell | ectopic | third instar larval stage       2       --       --       --       1
Spanning Tree (Parents/Children)
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female-specific anatomical entity__
somatic cell_______________________|
                                   somatic cell of ovariole
                                    |__terminal filament cell  33 rec.
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Is a somatic cell of ovariole
Develops from larval terminal filament cell
Part of terminal filament
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