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:
tagma
 |__abdomen_________________________________
anterior-posterior subdivision of organism  |
 |__segment_________________________________|
                                            abdominal segment  4259 rec.
                                             |__abdominal adult muscle precursor cell 82 rec.
                                             |   |__abdominal dorsal adult muscle precursor cell(+) 42 rec.
                                             |   |__abdominal dorsolateral adult muscle precursor cell(+) 17 rec.
                                             |   |__abdominal lateral adult muscle precursor cell(+) 80 rec.
                                             |   |__abdominal ventral adult muscle precursor cell(+) 16 rec.
                                             |   |__adepithelial cell of female genital disc
                                             |   |__adepithelial cell of male genital disc
                                             |__abdominal neuroblast 87 rec.
                                             |   |__abdominal neuroblast MNB(+)
                                             |   |__abdominal neuroblast NB1-1 2 rec.
                                             |   |__abdominal neuroblast NB1-2(+)
                                             |   |__abdominal neuroblast NB2-1
                                             |   |__abdominal neuroblast NB2-2
                                             |   |__abdominal neuroblast NB2-4(+) 2 rec.
                                             |   |__abdominal neuroblast NB2-5(+)
                                             |   |__abdominal neuroblast NB3-1
                                             |   |__abdominal neuroblast NB3-2(+)
                                             |   |__abdominal neuroblast NB3-3
                                             |   |__abdominal neuroblast NB3-4
                                             |   |__abdominal neuroblast NB3-5(+) 6 rec.
                                             |   |__abdominal neuroblast NB4-1
                                             |   |__abdominal neuroblast NB4-2
                                             |   |__abdominal neuroblast NB4-3
                                             |   |__abdominal neuroblast NB4-4
                                             |   |__abdominal neuroblast NB5-2(+) 4 rec.
                                             |   |__abdominal neuroblast NB5-3(+) 4 rec.
                                             |   |__abdominal neuroblast NB5-4(+)
                                             |   |__abdominal neuroblast NB5-6 15 rec.
                                             |   |__abdominal neuroblast NB6-1(+)
                                             |   |__abdominal neuroblast NB6-2(+)
                                             |   |__abdominal neuroblast NB6-4 40 rec.
                                             |   |__abdominal neuroblast NB7-1(+)
                                             |   |__abdominal neuroblast NB7-2
                                             |   |__abdominal neuroblast NB7-4(+)
                                             |   |__anterior abdominal neuroblast(+) 2 rec.
                                             |   |__terminal neuroblast(+) 8 rec.
                                             |__abdominal neuromere 100 rec.
                                             |   |__adult abdominal neuromere(+) 37 rec.
                                             |   |__embryonic abdominal neuromere(+) 4 rec.
                                             |   |__larval abdominal neuromere(+) 51 rec.
                                             |__adult abdominal segment 1271 rec.
                                             |   |__abdominal sternite(+) 409 rec.
                                             |   |__abdominal tergite(+) 766 rec.
                                             |   |__adult abdominal dorsal tracheal branch(+) 2 rec.
                                             |   |__adult abdominal neuromere(+) 37 rec.
                                             |   |__adult abdominal segment anterior compartment(+) 12 rec.
                                             |   |__adult abdominal segment posterior compartment(+) 7 rec.
                                             |   |__adult abdominal spiracle(+) 16 rec.
                                             |   |__adult abdominal tergite integumentary compartment(+)
                                             |   |__adult anterior abdominal segment(+) 486 rec.
                                             |   |__adult oenocyte band(+) 84 rec.
                                             |   |__adult terminal segment(+) 260 rec.
                                             |   |__integument of adult abdominal segment(+) 74 rec.
                                             |   |__occlusor muscle of adult abdominal spiracle(+)
                                             |__anterior abdominal segment 2321 rec.
                                             |   |__abdominal dorsal adult muscle precursor cell(+) 42 rec.
                                             |   |__abdominal dorsolateral adult muscle precursor cell(+) 17 rec.
                                             |   |__abdominal lateral adult muscle precursor cell(+) 80 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.
                                             |   |__abdominal ventral adult muscle precursor cell(+) 16 rec.
                                             |   |__adult anterior abdominal segment(+) 486 rec.
                                             |   |__anterior abdominal neuroblast(+) 2 rec.
                                             |   |__embryonic anterior abdominal segment(+) 219 rec.
                                             |   |__larval abdominal segment A1-7(+) 1454 rec.
                                             |__embryonic abdominal segment 559 rec.
                                             |   |__abdominal dorsal oblique muscle 3 founder cell 6 rec.
                                             |   |__abdominal dorsal transverse muscle 1 founder cell 7 rec.
                                             |   |__abdominal lateral oblique muscle 1 founder cell 15 rec.
                                             |   |__abdominal tracheal primordium(+) 8 rec.
                                             |   |__abdominal ventral acute muscle 1 founder cell 26 rec.
                                             |   |__abdominal ventral acute muscle 2 founder cell 25 rec.
                                             |   |__abdominal ventral acute muscle 3 founder cell 23 rec.
                                             |   |__abdominal ventral transverse muscle 1 founder cell 14 rec.
                                             |   |__embryonic abdominal dorsal sensory organ precursor cluster(+) 28 rec.
                                             |   |__embryonic abdominal lateral sensory organ precursor cluster(+) 36 rec.
                                             |   |__embryonic abdominal neuromere(+) 4 rec.
                                             |   |__embryonic abdominal ventral sensory organ precursor cluster group(+) 4 rec.
                                             |   |__embryonic anterior abdominal segment(+) 219 rec.
                                             |   |__embryonic terminal segment(+) 165 rec.
                                             |__larval abdominal segment 1773 rec.
                                             |   |__abdominal ventral denticle belt(+) 230 rec.
                                             |   |__dorsomedial domain of larval abdominal neuromere(+)
                                             |   |__histoblast nest(+) 110 rec.
                                             |   |__larval abdominal dorsal trichome(+) 8 rec.
                                             |   |__larval abdominal neuromere(+) 51 rec.
                                             |   |__larval abdominal perisympathetic organ
                                             |   |__larval abdominal segment A1-7(+) 1454 rec.
                                             |   |__larval terminal segment(+) 224 rec.
                                             |   |__non-functional larval spiracle of abdominal segment(+)
                                             |   |__small cell associated with anterior dorsal histoblasts abdominal(+)
                                             |__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.
                                                 |__terminal neuroblast(+) 8 rec.
Spanning Tree View Settings
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Is a segment
Part of abdomen
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Synonyms
Secondary IDs
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UBERON:6000021