FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term dorsal tracheal branch primordium ID (Ontology) FBbt:00005581 (Fly Anatomy)
Definition Dorsally directed branch from the dorsal region of the tracheal primordium that develops into the embryonic/larval dorsal branch. It initially appears (during stage 12) as a continuation of the transverse connective primordium.[ FlyBase:FBrf0064787 ]
Also Known As "embryonic dorsal branch"
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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
 dorsal tracheal branch primordium (all annotations which use CV term, excluding "NOT" statements)
     dorsal tracheal branch primordium | embryonic stage 16
      --       --       --
     dorsal tracheal branch primordium | somatic clone
      --       --
      --
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developing embryonic structure
 |__primary segmental tracheal branch primordium__
late extended germ band embryo                    |
 |__tracheal pit__________________________________|
 |__primary segmental tracheal branch primordium__|
tracheal primordium                               |
 |__tracheal pit__________________________________|
dorsal closure embryo                             |
 |__primary segmental tracheal branch primordium__|
primordium                                        |
 |__tracheal branch primordium____________________|
 |__primary segmental tracheal branch primordium__|
                                                  dorsal tracheal branch primordium  86 rec.
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Is a tracheal branch primordium
primary segmental tracheal branch primordium
Part of tracheal pit
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Synonyms
  • "dorsal trachea" RELATED
    "embryonic dorsal branch" EXACT
    "inner segmental trachea" RELATED
    "small dorsal commissure" RELATED
Secondary IDs
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