FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term scabellum ID (Ontology) FBbt:00004786 (Fly Anatomy)
Definition Proximal-most segment of the haltere.[ FlyBase:FBrf0007734 ]
Also Known As "haltere knob"
Comment
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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       1
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Images Insertions Constructs
 scabellum (all annotations which use CV term, excluding "NOT" statements)       1      4      1      2
Spanning Tree (Parents/Children)
Only view relationship: 
adult metathoracic segment
 |__haltere__________________
adult external thorax        |
 |__haltere__________________|
appendage                    |
 |__haltere__________________|
 |__appendage segment________|
organism subdivision         |
 |__appendage segment________|
ventral ectoderm derivative  |
 |__haltere__________________|
                             scabellum  23 rec.
                              |__chordotonal organ of scabellum 5 rec.
                              |   |__large chordotonal organ of scabellum 1 rec.
                              |   |__small chordotonal organ of scabellum 1 rec.
                              |__dorsal scabellar campaniform sensillum 12 rec.
                              |   |__dorsal scabellar campaniform sensillum Sc1
                              |__ventral scabellar campaniform sensillum 12 rec.
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Is a appendage segment
Develops from presumptive scabellum
Part of haltere
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Synonyms
  • "haltere knob" EXACT
Secondary IDs
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