FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term macrochaeta ID (Ontology) FBbt:00005179 (Fly Anatomy)
Definition A long, unicellular, setiform outgrowth that is strongly chitinized and may be in connection with a sensory nerve.[ FlyBase:FBrf0166419 ]
Comment
Links to External Ontologies
VFB:FBbt_00005179
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    2372
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
Insertions (FBti)  PHENOTYPE_MANIFEST_IN     451
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN     400
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
 macrochaeta (all annotations which use CV term, excluding "NOT" statements)    2372     15      5    455    405
     macrochaeta | absent       2       --       --       --       1
     macrochaeta | adult stage      16       --       --       3      7
     macrochaeta | adult stage | decreased number       2       --       --       2       --
     macrochaeta | cell autonomous | ectopic | somatic clone       2       --       --       1       --
     macrochaeta | cell autonomous | somatic clone       1       --       --       --       --
     macrochaeta | cell non-autonomous       1       --       --       --       --
     macrochaeta | cell non-autonomous | somatic clone       8       --       --       1      4
     macrochaeta | cold sensitive      15       --       --       --       --
     macrochaeta | decreased number       1       --       --       1       --
     macrochaeta | dorsal       5       --       --       2      1
     macrochaeta | ectopic     198       --       --      25    103
     macrochaeta | ectopic | cold sensitive       5       --       --       --       --
     macrochaeta | ectopic | female | germline clone       1       --       --       --       --
     macrochaeta | ectopic | maternal effect       1       --       --       1       --
     macrochaeta | ectopic | maternal effect | somatic clone       2       --       --       --       --
     macrochaeta | ectopic | somatic clone      16       --       --       2      5
     macrochaeta | ectopic | temperature conditional       2       --       --       1       --
     macrochaeta | ectopic | third instar larval stage       1       --       --       --       --
     macrochaeta | female       5       --       --       1       --
     macrochaeta | germline clone       1       --       --       --       --
     macrochaeta | heat sensitive      22       --       --       --       6
     macrochaeta | immature adult stage       1       --       --       --       --
     macrochaeta | increased number      68       --       --       --      41
     macrochaeta | increased number | heat sensitive       2       --       --       --       2
     macrochaeta | larval stage       1       --       --       --       --
     macrochaeta | male       1       --       --       --       --
     macrochaeta | maternal effect       2       --       --       1       --
     macrochaeta | maternal effect | cold sensitive       1       --       --       --       --
     macrochaeta | nutrition conditional       3       --       --       --       2
     macrochaeta | pharate adult stage       8       --       --       3      2
     macrochaeta | pupal stage       4       --       --       1      3
     macrochaeta | somatic clone      77       --       --       8      3
     macrochaeta | somatic clone | heat sensitive       1       --       --       --       --
     macrochaeta | somatic clone | increased number       3       --       --       --       --
     macrochaeta | temperature conditional       2       --       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
mechanosensory sensory organ__
chaeta________________________|
                              mechanosensory chaeta
                               |__macrochaeta  4529 rec.
                                   |__dorsocentral bristle 463 rec.
                                   |   |__anterior dorsocentral bristle 111 rec.
                                   |   |__posterior dorsocentral bristle 92 rec.
                                   |__humeral bristle 85 rec.
                                   |   |__lower humeral bristle 10 rec.
                                   |   |__upper humeral bristle 13 rec.
                                   |__large anterior vibrissal bristle
                                   |__mesothoracic tibial spur bristle 9 rec.
                                   |__notopleural bristle 90 rec.
                                   |   |__anterior notopleural bristle 54 rec.
                                   |   |__posterior notopleural bristle 42 rec.
                                   |__ocellar bristle 165 rec.
                                   |__orbital bristle 114 rec.
                                   |   |__anterior orbital bristle 56 rec.
                                   |   |__middle orbital bristle 23 rec.
                                   |   |__posterior orbital bristle 18 rec.
                                   |__postalar bristle 117 rec.
                                   |   |__anterior postalar bristle 78 rec.
                                   |   |__posterior postalar bristle 58 rec.
                                   |__postocellar bristle 131 rec.
                                   |__presutural bristle 53 rec.
                                   |__scutellar bristle 1129 rec.
                                   |   |__anterior scutellar bristle 111 rec.
                                   |   |__posterior scutellar bristle 201 rec.
                                   |__sternopleural bristle 107 rec.
                                   |   |__anterior sternopleural bristle 15 rec.
                                   |   |__middle sternopleural bristle 6 rec.
                                   |   |__posterior sternopleural bristle 7 rec.
                                   |   |__ventral sternopleural bristle 6 rec.
                                   |__supraalar bristle 103 rec.
                                   |   |__anterior supraalar bristle 53 rec.
                                   |   |__posterior supraalar bristle 75 rec.
                                   |__vertical bristle 60 rec.
                                       |__vertical bristle 1 25 rec.
                                       |__vertical bristle 2 35 rec.
                                       |__vertical bristle 3
                                       |__vertical bristle 4
Spanning Tree View Settings
Parents/Children
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Is a mechanosensory chaeta
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Synonyms
  • "bristle" RELATED
    "setae" RELATED
Secondary IDs
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VFB:FBbt_00005179