FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term pseudotrachea ID (Ontology) FBbt:00004164 (Fly Anatomy)
Definition Open channel that extends from the dorsal medial region of the labellum, pointing slightly around the outside of each half of the labellum. The pseudotrachea is kept open by narrow, somewhat variably shaped, transverse, sclerotised bands, the ends of which are free from the derm. There are 6 of these per palpus, conducting food to the tip of the labrum.[ FlyBase:FBrf0007734 FlyBase:FBrf0033866 ]
Also Known As "pseudotracheal ridge" ; "pseudotracheal row"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 pseudotrachea (all annotations which use CV term, excluding "NOT" statements)
     pseudotrachea | cold sensitive
      --       --       --       --
     pseudotrachea | ectopic
      --       --       --
     pseudotrachea | heat sensitive
      --       --       --
     pseudotrachea | increased number
      --       --       --
     pseudotrachea | somatic clone
      --       --
      --
     pseudotrachea | somatic clone | increased number
      --       --       --
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adult labial segment
 |__labellum__________________
distiproboscis                |
 |__labellum__________________|
immaterial anatomical entity  |
 |__anatomical space__________|
integumentary specialization  |
 |__labellum__________________|
ventral ectoderm derivative   |
 |__labellum__________________|
                              pseudotrachea  68 rec.
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Is a anatomical space
Develops from presumptive pseudotrachea
Part of labellum
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