FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term tracheal dorsal trunk posterior branch primordium ID (Ontology) FBbt:00000223 (Fly Anatomy)
Definition Posteriorly directed dorsal branch of the tracheal primordium. Fuses to the anterior branch of the dorsal trunk of the tracheal primordium of the next segment posterior to it during stage 14.[ FlyBase:FBrf0064787 ]
Also Known As"DTp"
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Data ClassFieldDirect annotations
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 tracheal dorsal trunk posterior branch primordium (all annotations which use CV term, excluding "NOT" statements)
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developing embryonic structure
 |__tracheal dorsal trunk primordium______________
 |__primary segmental tracheal branch primordium__|
late extended germ band embryo                    |
 |__primary segmental tracheal branch primordium__|
tracheal pit                                      |
 |__tracheal dorsal trunk primordium______________|
dorsal closure embryo                             |
 |__tracheal dorsal trunk primordium______________|
 |__primary segmental tracheal branch primordium__|
primordium                                        |
 |__tracheal branch primordium____________________|
 |__primary segmental tracheal branch primordium__|
tracheal branch primordium                        |
 |__tracheal dorsal trunk primordium______________|
                                                  tracheal dorsal trunk posterior branch primordium  2 rec.
                                                   |__tracheal dorsal trunk posterior branch 1 primordium
                                                   |__tracheal dorsal trunk posterior branch 2 primordium
                                                   |__tracheal dorsal trunk posterior branch 3 primordium
                                                   |__tracheal dorsal trunk posterior branch 4 primordium
                                                   |__tracheal dorsal trunk posterior branch 5 primordium
                                                   |__tracheal dorsal trunk posterior branch 6 primordium
                                                   |__tracheal dorsal trunk posterior branch 7 primordium
                                                   |__tracheal dorsal trunk posterior branch 8 primordium
                                                   |__tracheal dorsal trunk posterior branch 9 primordium
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Is a tracheal branch primordium
primary segmental tracheal branch primordium
Part of tracheal dorsal trunk primordium
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