FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term twin sensillum of margin 2 ID (Ontology) FBbt:00004339 (Fly Anatomy)
Definition One of two large campaniform sensilla at the most distal point of the wing margin of the distal costa. It is innervated by the second born of the twin sensilla neurons (Murray et al., 1984).[ FlyBase:FBrf0040724 ]
Also Known As "p-DSM" ; "proximal twin sensillum of the wing margin" ; "wing nerve TSM(2)"
Comment This sensillum was classed as a bristle; however, both the initial reference (Murray et al., 1984) and a recent comprehensive study (Dinges et al., 2020 - FBrf0247616) unambiguously describe it as a campaniform sensillum.
Links to External Ontologies
VFB:FBbt_00004339
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Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       5
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 Alleles
 twin sensillum of margin 2 (all annotations which use CV term, excluding "NOT" statements)       5
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wing sensillum_________
campaniform sensillum__|
                       wing campaniform sensillum
                        |__twin sensillum of margin 2  5 rec.
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Is a wing campaniform sensillum
Part of wing margin
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VFB:FBbt_00004339