FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term FBbt:00004935 ID (Ontology) FBbt:00004935 (Fly Anatomy)
Definition Male germline cell found in the spermatogonial cyst. It specifically expresses bag of marbles (bam), which is required for its differentiation (Witt et al., 2019).[ FlyBase:FBrf0064778 FlyBase:FBrf0243241 ]
Comment
Links to External Ontologies
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     115
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       7
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      26
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      56
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes  Insertions Constructs
 FBbt:00004935 (all annotations which use CV term, excluding "NOT" statements)     115    106      4     33     68
     FBbt:00004935 | FBcv:0000068      17       --       --       --      11
     FBbt:00004935 | FBcv:0000154 | FBcv:0000715       2       --       --       --       1
     FBbt:00004935 | FBcv:0000310       4       --       --       --       2
     FBbt:00004935 | FBcv:0000311       6       --       --       3      1
     FBbt:00004935 | FBcv:0000335 | FBcv:0000068       4       --       --       --       --
     FBbt:00004935 | FBcv:0000336       1       --       --       --       --
     FBbt:00004935 | FBcv:0000715       4       --       --       --       1
     FBbt:00004935 | FBcv:0007049       2       --       --       --       --
     FBbt:00004935 | FBdv:00005339      11       --       --       2      3
     FBbt:00004935 | FBdv:00005369       3       --       --       2       --
Spanning Tree (Parents/Children)
Only view relationship:
FBbt:00004860
 |__FBbt:00057011__
FBbt:00007136      |
 |__FBbt:00007138__|
FBbt:00048490      |
 |__FBbt:00057011__|
                   FBbt:00004935  367 rec.
                    |__FBbt:00004934 61 rec.
                    |__FBbt:00005260 10 rec.
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Is a male germline cell
Develops from male germline stem cell
Part of spermatogonial cyst
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Synonyms
Secondary IDs
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CL:0000020