FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term abdominal segment ID (Ontology) FBbt:00000021 (Fly Anatomy)
Definition Metameric subdivision of the abdomen.
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      57
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       7
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      19
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
 abdominal segment (all annotations which use CV term, excluding "NOT" statements)      57      4      8     19
     abdominal segment | adult stage       6       --       3       --
     abdominal segment | adult stage | maternal effect       2       --       2       --
     abdominal segment | cell autonomous | somatic clone       1       --       --       --
     abdominal segment | ectopic       3       --       --       1
     abdominal segment | ectopic | posterior       3       --       --       1
     abdominal segment | heat sensitive       2       --       --       2
     abdominal segment | maternal effect       2       --       --       2
     abdominal segment | pharate adult stage       3       --       --       2
     abdominal segment | pharate adult stage | somatic clone       2       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
  anterior-posterior subdivision of organism
   |__segment
       |__abdominal segment  4259 rec.
           |__adult abdominal segment 1271 rec.
           |   |__adult anterior abdominal segment(+) 486 rec.
           |   |__adult terminal segment(+) 260 rec.
           |__anterior abdominal segment 2321 rec.
           |   |__abdominal segment 1(+) 563 rec.
           |   |__abdominal segment 2(+) 487 rec.
           |   |__abdominal segment 3(+) 397 rec.
           |   |__abdominal segment 4(+) 526 rec.
           |   |__abdominal segment 5(+) 630 rec.
           |   |__abdominal segment 6(+) 719 rec.
           |   |__abdominal segment 7(+) 579 rec.
           |   |__adult anterior abdominal segment(+) 486 rec.
           |   |__embryonic anterior abdominal segment(+) 219 rec.
           |   |__larval abdominal segment A1-7(+) 1454 rec.
           |__embryonic abdominal segment 559 rec.
           |   |__embryonic anterior abdominal segment(+) 219 rec.
           |   |__embryonic terminal segment(+) 165 rec.
           |__larval abdominal segment 1773 rec.
           |   |__larval abdominal segment A1-7(+) 1454 rec.
           |   |__larval terminal segment(+) 224 rec.
           |__terminal segment 1354 rec.
               |__abdominal segment 8(+) 1213 rec.
               |__abdominal segment 9(+) 267 rec.
               |__abdominal segment 10(+) 227 rec.
               |__abdominal segment 11(+) 56 rec.
               |__adult terminal segment(+) 260 rec.
               |__embryonic terminal segment(+) 165 rec.
               |__larval terminal segment(+) 224 rec.
Spanning Tree View Settings
Parents/Children
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Is a segment
Part of abdomen
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Synonyms
Secondary IDs
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UBERON:6000021