FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term gonad ID (Ontology) FBbt:00004858 (Fly Anatomy)
Definition The organ of the reproductive system in which the germ cells reside.
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     186
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      87
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      16
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      27
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 Images Insertions Constructs
 gonad (all annotations which use CV term, excluding "NOT" statements)     186    334      1    103     41
     gonad | adult stage       2       --       --       1       --
     gonad | adult stage | maternal effect       1       --       --       --       --
     gonad | embryonic stage      86       --       --       2     10
     gonad | embryonic stage 14       1       --       --       --       --
     gonad | embryonic stage | maternal effect       2       --       --       1       --
     gonad | female       3       --       --       --       --
     gonad | heat sensitive       2       --       --       --       --
     gonad | larval stage       5       --       --       --       --
     gonad | larval stage | male       1       --       --       --       --
     gonad | male       4       --       --       --       --
     gonad | male | third instar larval stage      13       --       --       --      10
     gonad | maternal effect       2       --       --       --       --
     gonad | maternal effect | heat sensitive       1       --       --       --       --
     gonad | precursor      15       --       --       --       1
Spanning Tree (Parents/Children)
Only view relationship:
organ system
 |__reproductive system______
anatomical structure         |
 |__multicellular structure__|
                             gonad  12055 rec.
                              |__fusome 174 rec.
                              |   |__female fusome(+) 67 rec.
                              |   |__male fusome(+) 61 rec.
                              |   |__polyfusome 2 rec.
                              |   |__spectrosome(+) 36 rec.
                              |   |__stem cell fusome(+) 14 rec.
                              |__gamete 1849 rec.
                              |   |__spermatozoon 1803 rec.
                              |   |__unfertilized egg 46 rec.
                              |__gonadal sheath 245 rec.
                              |   |__embryonic/larval gonadal sheath muscle cell
                              |   |__gonadal sheath epithelium(+) 15 rec.
                              |   |__gonadal sheath muscle cell(+) 58 rec.
                              |   |__ovarian sheath(+) 59 rec.
                              |   |__testis sheath(+) 174 rec.
                              |__gonadal somatic stem cell 380 rec.
                              |   |__cyst progenitor cell 254 rec.
                              |   |__follicle stem cell 133 rec.
                              |__larval ovary 16 rec.
                              |   |__larval cap cell of ovary
                              |   |__larval follicle stem cell progenitor
                              |   |__larval intermingled cell
                              |   |__larval sheath cell of ovary(+) 13 rec.
                              |   |__larval swarm cell 2 rec.
                              |   |__larval terminal filament cell(+) 2 rec.
                              |__larval testis 9 rec.
                              |   |__male larval germline cyst(+) 3 rec.
                              |   |__somatic cell of larval testis(+) 1 rec.
                              |__ovarian hemocyte
                              |__ovary 7622 rec.
                              |   |__corpus luteum(+) 1 rec.
                              |   |__ovarian sheath(+) 59 rec.
                              |   |__ovariole(+) 6887 rec.
                              |   |__peritoneal sheath muscle cell 17 rec.
                              |__ring canal 290 rec.
                              |   |__nurse cell ring canal(+) 202 rec.
                              |   |__spermatocyte ring canal 14 rec.
                              |__testis 4914 rec.
                                  |__germinal proliferation center(+) 731 rec.
                                  |__male fusome(+) 61 rec.
                                  |__male germline cyst(+) 2298 rec.
                                  |__somatic cell of testis(+) 722 rec.
                                  |__spermatozoon 1803 rec.
                                  |__testis sheath(+) 174 rec.
                                  |__waste bag 94 rec.
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Is a multicellular structure
Part of reproductive system
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Synonyms
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