FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term spiracle ID (Ontology) FBbt:00005054 (Fly Anatomy)
Definition Opening of the tracheal system on the surface of the body.[ FlyBase:FBrf0166419 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Insertions Constructs
 spiracle (all annotations which use CV term, excluding "NOT" statements)
     spiracle | larval stage
      --
      --
     spiracle | P-stage
      --       --
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organ system
 |__tracheal system_______________
integumentary system              |
 |__integumentary specialization__|
anatomical entity                 |
 |__integumentary specialization__|
                                  spiracle  1030 rec.
                                   |__adult spiracle 33 rec.
                                   |   |__adult abdominal spiracle(+) 16 rec.
                                   |   |__adult thoracic spiracle(+) 11 rec.
                                   |   |__peritreme of spiracle(+) 1 rec.
                                   |__embryonic/larval spiracle 908 rec.
                                   |   |__embryonic/larval anterior spiracle(+) 100 rec.
                                   |   |__embryonic/larval posterior spiracle(+) 793 rec.
                                   |   |__non-functional larval spiracle(+)
                                   |__pupal spiracle 100 rec.
                                       |__anterior pupal spiracle 84 rec.
                                       |__non-functional pupal spiracle(+)
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Is a integumentary specialization
Part of tracheal system
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UBERON:6005054