FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term germinal proliferation center hub ID (Ontology) FBbt:00007141 (Fly Anatomy)
Definition A cone shaped cluster of densely packed cells at the center of the germinal proliferation center. It is anchored to the tip of the testis via apical connections to the thick, convoluted basal lamina found there.[ FlyBase:FBrf0064778 ]
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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      29
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       8
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      14
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Relevant FlyBase reports
 Alleles Insertions Constructs
 germinal proliferation center hub (all annotations which use CV term, excluding "NOT" statements)      29      8     14
     germinal proliferation center hub | adult stage       2      1       --
     germinal proliferation center hub | adult stage | progressive       2      1       --
     germinal proliferation center hub | heat sensitive       1       --       --
     germinal proliferation center hub | progressive       1      1       --
     germinal proliferation center hub | third instar larval stage       1      1       --
Spanning Tree (Parents/Children)
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multicellular structure
 |__portion of tissue________________
anatomical entity                    |
 |__male-specific anatomical entity__|
                                     germinal proliferation center hub  233 rec.
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Is a portion of tissue
male-specific anatomical entity
Part of germinal proliferation center
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