FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term caudal tracheal branch ID (Ontology) FBbt:00000404 (Fly Anatomy)
Definition Primary tracheal branch that arises as a posterior bifurcation of the caudal-hindgut branch of tracheal metamere 10 (A8) and splits into 4 branches that project posteriorly.[ FlyBase:FBrf0064787 ]
Also Known As "CaB"
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embryonic/larval tracheal section
 |__larval tracheal branch of Tr10__
ectodermal derivative               |
 |__dorsal ectoderm derivative______|
tracheal branch                     |
 |__larval tracheal branch of Tr10__|
 |__primary tracheal branch_________|
                                    caudal tracheal branch
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Is a larval tracheal branch of Tr10
dorsal ectoderm derivative
primary tracheal branch
Develops from abdominal tracheal primordium 8
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