FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term tracheal metamere 5 ID (Ontology) FBbt:00005030 (Fly Anatomy)
Definition Segmental unit of the tracheal system that is mainly found in abdominal segment 3.
Also Known As"Tr5"
CommentNote that terminal tracheation by each tracheal metamere extends beyond its segment of origin.
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
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 Alleles Insertions Constructs
 tracheal metamere 5 (all annotations which use CV term, excluding "NOT" statements)
     tracheal metamere 5 | embryonic stage
      --
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tracheal metamere
 |__abdominal tracheal metamere__
ectodermal derivative            |
 |__dorsal ectoderm derivative___|
                                 tracheal metamere 5  19 rec.
                                  |__adult abdominal spiracular tracheal branch 5 1 rec.
                                  |__adult dorsal superficial tracheal branch 5
                                  |__adult ventral superficial tracheal branch 5
                                  |__embryonic/larval dorsal tracheal branch 5 6 rec.
                                  |__embryonic/larval ganglionic tracheal branch 5 7 rec.
                                  |__embryonic/larval spiracular tracheal branch 5
                                  |__embryonic/larval tracheal transverse connective 5 1 rec.
                                  |__larval dorsal group tracheal branch 5
                                  |__larval dorsal tracheal anastomosis 5
                                  |__larval fat body tracheal branch 5
                                  |__larval lateral E tracheal branch 5
                                  |__larval lateral F tracheal branch 5
                                  |__larval lateral G tracheal branch 5
                                  |__larval lateral H tracheal branch 5
                                  |__non-functional pupal spiracle 5
                                  |__pupal dorsal tracheal branch 5
                                  |__pupal spiracular tracheal branch 5
                                  |__pupal tracheal transverse connective 4
                                  |__visceral tracheal branch 5
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Is a dorsal ectoderm derivative
abdominal tracheal metamere
Develops from abdominal tracheal primordium 3
Part of
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Synonyms
  • "Tr5" EXACT
    "tracheal hemisegment" RELATED
Secondary IDs
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