FB2026_03 , released September 17, 2026
CV Term Report
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Term pupal tracheal dorsal trunk ID (Ontology) FBbt:00002957 (Fly Anatomy)
Definition The main airway of the pupal tracheal system, linking its metameric units from the (T1) pupal spiracle to tracheal metamere 5.[ FlyBase:FBrf0011558 FlyBase:FBrf0064787 ]
Also Known As"pupal dorsal longitudinal trunk" ; "pupal DT" ; "pupal great lateral trunk"
CommentThe embryonic/larval dorsal branches posterior to tracheal metamere 5 collapse and are non-functional in the pupa - although may be maintained in a non-functional state as a template for growth of the adult system (Manning and Krasnow, 1993).
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 pupal tracheal dorsal trunk (all annotations which use CV term, excluding "NOT" statements)
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pupal tracheal system
 |__pupal tracheal section__
tracheal section            |
 |__pupal tracheal section__|
 |__tracheal branch_________|
                            pupal tracheal dorsal trunk  9 rec.
                             |__tracheocyte of pupal tracheal dorsal trunk
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