FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 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
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Annotations
Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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)
     gonad | adult stage
      --       --
      --
     gonad | adult stage | maternal effect
      --       --       --       --
     gonad | embryonic stage
      --       --
     gonad | embryonic stage 14
      --       --       --       --
     gonad | embryonic stage | maternal effect
      --       --
      --
     gonad | female
      --       --       --       --
     gonad | heat sensitive
      --       --       --       --
     gonad | larval stage
      --       --       --       --
     gonad | larval stage | male
      --       --       --       --
     gonad | male
      --       --       --       --
     gonad | male | third instar larval stage
      --       --       --
     gonad | maternal effect
      --       --       --       --
     gonad | maternal effect | heat sensitive
      --       --       --       --
     gonad | precursor
      --       --       --
Spanning Tree (Parents/Children)
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organ system
 |__reproductive system______
anatomical structure         |
 |__multicellular structure__|
                             gonad  12065 rec.
                              |__fusome 180 rec.
                              |   |__female fusome(+) 67 rec.
                              |   |__male fusome(+) 67 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 386 rec.
                              |   |__cyst progenitor cell 260 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 7628 rec.
                              |   |__corpus luteum(+) 1 rec.
                              |   |__ovarian sheath(+) 59 rec.
                              |   |__ovariole(+) 6893 rec.
                              |   |__peritoneal sheath muscle cell 17 rec.
                              |__ring canal 290 rec.
                              |   |__nurse cell ring canal(+) 202 rec.
                              |   |__spermatocyte ring canal 14 rec.
                              |__testis 4920 rec.
                                  |__germinal proliferation center(+) 737 rec.
                                  |__male fusome(+) 67 rec.
                                  |__male germline cyst(+) 2304 rec.
                                  |__somatic cell of testis(+) 728 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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