FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term male germline cell ID (Ontology) FBbt:00057011 (Fly Anatomy)
Definition Cell that develops into or is itself a spermatozoon.
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      97
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      12
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      50
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
 male germline cell (all annotations which use CV term, excluding "NOT" statements)      99     18      8     16     55
     male germline cell | absent       3       --       --       --       3
     male germline cell | absent | adult stage       3       --       --       --       4
     male germline cell | adult stage      15       --       --       4      7
     male germline cell | adult stage | decreased number       3       --       --       1      2
     male germline cell | adult stage | ectopic | increased number       2       --       --       --       2
     male germline cell | adult stage | increased number       8       --       --       --       7
     male germline cell | adult stage | progressive       1       --       --       --       --
     male germline cell | decreased number       3       --       --       1       --
     male germline cell | embryonic stage       2       --       --       --       --
     male germline cell | embryonic stage | maternal effect       2       --       --       --       3
     male germline cell | first instar larval stage | maternal effect       2       --       --       --       3
     male germline cell | germline clone       1       --       --       --       --
     male germline cell | heat sensitive       2       --       --       --       --
     male germline cell | increased number      14       --       --       --      14
     male germline cell | larval stage       3       --       --       1      3
     male germline cell | somatic clone | increased number       1       --       --       --       --
     male germline cell | spermatogenesis       2       --       --       1       --
     male germline cell | third instar larval stage       2       --       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
cell
 |__germline cell____________________
anatomical entity                    |
 |__male-specific anatomical entity__|
                                     male germline cell  3717 rec.
                                      |__larval primary spermatocyte 1 rec.
                                      |   |__larval apolar primary spermatocyte
                                      |   |__larval mature primary spermatocyte
                                      |   |__larval polar primary spermatocyte
                                      |__larval spermatogonium
                                      |__male germline stem cell 430 rec.
                                      |__spermatid 1117 rec.
                                      |   |__coalescence stage spermatid 4 rec.
                                      |   |__elongation stage spermatid(+) 340 rec.
                                      |   |__individualization stage spermatid 319 rec.
                                      |   |__onion stage spermatid 136 rec.
                                      |   |__pre-elongation spermatid(+) 17 rec.
                                      |__spermatocyte 913 rec.
                                      |   |__primary spermatocyte(+) 191 rec.
                                      |   |__secondary spermatocyte(+) 35 rec.
                                      |__spermatogonium 367 rec.
                                      |   |__primary gonial cell 61 rec.
                                      |   |__secondary spermatogonium 10 rec.
                                      |__spermatozoon 1803 rec.
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Is a germline cell
male-specific anatomical entity
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