FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic/larval tracheal dorsal trunk ID (Ontology) FBbt:00000212 (Fly Anatomy)
Definition The main airway of the larval/embryonic tracheal system, linking its metameric units and spanning the length of the animal from the anterior spiracle in the prothoracic segment to the posterior spiracle in A8 on the same side. There are two per larva, left and right.[ FlyBase:FBrf0064787 ]
Also Known As "larval dorsal longitudinal trunk" ; "larval dorsal trunk" ; "larval DT" (for all, see Synonyms field below)
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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     313
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      16
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      41
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      87
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 Insertions Constructs
 embryonic/larval tracheal dorsal trunk (all annotations which use CV term, excluding "NOT" statements)     313    127     57     94
     embryonic/larval tracheal dorsal trunk | cell autonomous | embryonic stage 17       2       --       --       1
     embryonic/larval tracheal dorsal trunk | cell autonomous | embryonic stage 17 | somatic clone       2       --       --       2
     embryonic/larval tracheal dorsal trunk | cell autonomous | third instar larval stage       2       --       --       2
     embryonic/larval tracheal dorsal trunk | embryonic stage      37       --       5     15
     embryonic/larval tracheal dorsal trunk | embryonic stage 15       3       --       --       --
     embryonic/larval tracheal dorsal trunk | embryonic stage 16       6       --       1       --
     embryonic/larval tracheal dorsal trunk | embryonic stage 17       9       --       2      2
     embryonic/larval tracheal dorsal trunk | first instar larval stage      16       --       1     15
     embryonic/larval tracheal dorsal trunk | germline clone       4       --       --       --
     embryonic/larval tracheal dorsal trunk | germline clone | maternal effect       1       --       --       --
     embryonic/larval tracheal dorsal trunk | germline clone | rescuable maternal effect       2       --       --       --
     embryonic/larval tracheal dorsal trunk | heat sensitive       2       --       --       --
     embryonic/larval tracheal dorsal trunk | larval stage       4       --       --       3
     embryonic/larval tracheal dorsal trunk | late embryonic stage       2       --       --       --
     embryonic/larval tracheal dorsal trunk | second instar larval stage       6       --       3      2
     embryonic/larval tracheal dorsal trunk | somatic clone      20       --       --       --
     embryonic/larval tracheal dorsal trunk | somatic clone | third instar larval stage       2       --       --       --
Spanning Tree (Parents/Children)
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tracheal section
 |__embryonic/larval tracheal section__
tracheal branch                        |
 |__primary tracheal branch____________|
                                       embryonic/larval tracheal dorsal trunk  591 rec.
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Is a embryonic/larval tracheal section
primary tracheal branch
Develops from tracheal dorsal trunk primordium
Part of
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Synonyms
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