FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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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Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      46
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      15
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      14
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 dorsal tracheal branch primordium (all annotations which use CV term, excluding "NOT" statements)      46      1      2     16     14
     dorsal tracheal branch primordium | embryonic stage 16       2       --       --       --       2
     dorsal tracheal branch primordium | somatic clone       1       --       --       1       --
Spanning Tree (Parents/Children)
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developing embryonic structure
 |__primary segmental tracheal branch primordium__
primordium                                        |
 |__tracheal branch primordium____________________|
 |__primary segmental tracheal branch primordium__|
                                                  dorsal tracheal branch primordium  79 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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