FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term mechanosensory chaeta ID (Ontology) FBbt:00005181 (Fly Anatomy)
Definition Bristle that is innervated by a mechanosensory neuron that detects its movement due to wind, contact or other stimuli.[ FlyBase:FBrf0237124 ]
Also Known As"mechanosensory bristle"
Comment
Links to External Ontologies
VFB:FBbt_00005181
Annotations
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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)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 mechanosensory chaeta (all annotations which use CV term, excluding "NOT" statements)
     mechanosensory chaeta | absent | pharate adult stage
      --
      --
     mechanosensory chaeta | adult stage
      --
      --
     mechanosensory chaeta | adult stage | decreased number
      --
      --
     mechanosensory chaeta | adult stage | increased number
      --       --
     mechanosensory chaeta | decreased number | pharate adult stage
      --
      --
     mechanosensory chaeta | ectopic
      --       --
     mechanosensory chaeta | heat sensitive
      --       --       --
     mechanosensory chaeta | increased number
      --       --
     mechanosensory chaeta | somatic clone
      --       --       --
     mechanosensory chaeta | somatic clone | heat sensitive
      --       --       --
     mechanosensory chaeta | somatic clone | increased number
      --       --       --
Spanning Tree (Parents/Children)
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Vocabulary search 
sense organ
 |__mechanosensory sensory organ__
eo-type sensillum                 |
 |__chaeta________________________|
mechanosensory system             |
 |__mechanosensory sensory organ__|
                                  mechanosensory chaeta  6175 rec.
                                   |__adult abdominal mechanosensory chaeta 104 rec.
                                   |   |__abdominal sternite bristle 94 rec.
                                   |   |__abdominal tergite marginal bristle 10 rec.
                                   |__adult epidermal F-cell of mechanosensory bristle
                                   |__adult thoracic mechanosensory chaeta 1505 rec.
                                   |   |__acrostichal bristle 28 rec.
                                   |   |__dorsocentral bristle(+) 463 rec.
                                   |   |__humeral bristle(+) 85 rec.
                                   |   |__notopleural bristle(+) 90 rec.
                                   |   |__postalar bristle(+) 121 rec.
                                   |   |__presutural bristle 53 rec.
                                   |   |__scutellar bristle(+) 1137 rec.
                                   |   |__sternopleural bristle(+) 107 rec.
                                   |   |__supraalar bristle(+) 103 rec.
                                   |__chemosensory ventral double row bristle 2 rec.
                                   |__chemosensory ventral triple row bristle 33 rec.
                                   |__labellar mechanosensory bristle
                                   |__labellar taste bristle 228 rec.
                                   |   |__bitter-sensitive labellar taste bristle(+) 131 rec.
                                   |   |__large labellar taste bristle(+) 81 rec.
                                   |   |__short labellar taste bristle(+) 140 rec.
                                   |__leg mechanosensory bristle 119 rec.
                                   |   |__mesothoracic leg mechanosensory bristle(+) 82 rec.
                                   |   |__metathoracic leg mechanosensory bristle(+) 24 rec.
                                   |   |__prothoracic leg mechanosensory bristle(+) 64 rec.
                                   |__macrochaeta 4546 rec.
                                   |   |__dorsocentral bristle(+) 463 rec.
                                   |   |__humeral bristle(+) 85 rec.
                                   |   |__large anterior vibrissal bristle
                                   |   |__mesothoracic tibial spur bristle 9 rec.
                                   |   |__notopleural bristle(+) 90 rec.
                                   |   |__ocellar bristle 165 rec.
                                   |   |__orbital bristle(+) 114 rec.
                                   |   |__postalar bristle(+) 121 rec.
                                   |   |__postocellar bristle 131 rec.
                                   |   |__presutural bristle 53 rec.
                                   |   |__scutellar bristle(+) 1137 rec.
                                   |   |__sternopleural bristle(+) 107 rec.
                                   |   |__supraalar bristle(+) 103 rec.
                                   |   |__vertical bristle(+) 60 rec.
                                   |__maxillary palp bristle 17 rec.
                                   |__microchaeta 2090 rec.
                                   |   |__abdominal sternite bristle 94 rec.
                                   |   |__abdominal tergite marginal bristle 10 rec.
                                   |   |__acrostichal bristle 28 rec.
                                   |   |__antennal segment 1 microchaeta(+)
                                   |   |__antennal segment 2 microchaeta(+) 2 rec.
                                   |   |__frontal bristle 9 rec.
                                   |   |__fronto-orbital bristle 2 rec.
                                   |   |__interocellar bristle 38 rec.
                                   |   |__interommatidial bristle 1135 rec.
                                   |   |__mesothoracic coxal bristle on hairy island 3 rec.
                                   |   |__mesothoracic tarsal bristle(+) 43 rec.
                                   |   |__mesothoracic tibial apical bristle 39 rec.
                                   |   |__mesothoracic tibial preapical bristle 8 rec.
                                   |   |__mesothoracic trochanter edge bristle
                                   |   |__metathoracic femoral yellow bristle
                                   |   |__metathoracic tarsal bristle(+) 19 rec.
                                   |   |__metathoracic tibial preapical bristle 2 rec.
                                   |   |__metathoracic tibial transverse bristle row 5 rec.
                                   |   |__postorbital bristle(+) 11 rec.
                                   |   |__prothoracic coxal bristle on hairy island 4 rec.
                                   |   |__prothoracic tarsal bristle(+) 35 rec.
                                   |   |__prothoracic tibial apical bristle 13 rec.
                                   |   |__prothoracic tibial preapical bristle 4 rec.
                                   |   |__prothoracic tibial transverse row bristle 15 rec.
                                   |   |__prothoracic trochanter edge bristle 1 rec.
                                   |   |__subvibrissal bristle
                                   |   |__supracervical bristle 11 rec.
                                   |__wing margin mechanosensory bristle 49 rec.
                                       |__mechanosensory dorsal double row bristle
                                       |__mechanosensory medial triple row bristle 9 rec.
                                       |__mechanosensory ventral double row bristle
                                       |__mechanosensory ventral triple row bristle 38 rec.
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Is a mechanosensory sensory organ
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VFB:FBbt_00005181