FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term cephalic tracheal branch ID (Ontology) FBbt:00000397 (Fly Anatomy)
Definition Embryonic/larval branch of the first tracheal metamere the tracheates the head but not (largely) the brain or foregut.
Comment Not to be confused with the cerebral or pharyngeal branches.
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embryonic/larval tracheal section
 |__larval tracheal branch of Tr1__
ectodermal derivative              |
 |__dorsal ectoderm derivative_____|
tracheal branch                    |
 |__larval tracheal branch of Tr1__|
 |__primary tracheal branch________|
                                   cephalic tracheal branch  2 rec.
                                    |__dorsal cephalic tracheal branch
                                    |__lateral cephalic tracheal branch
                                    |__ventral cephalic tracheal branch 2 rec.
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Is a larval tracheal branch of Tr1
dorsal ectoderm derivative
primary tracheal branch
Develops from cephalic tracheal branch primordium
Part of
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