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 transverse connective ID (Ontology) FBbt:00000254 (Fly Anatomy)
Definition Embryonic/larval trachea that connects the dorsal and lateral trunks.[ FlyBase:FBrf0064787 ]
Also Known As "a and b branch" ; "larval transverse connective" ; "outer segmental trachea" (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      25
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       4
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       3
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 transverse connective (all annotations which use CV term, excluding "NOT" statements)      25     16      4      8
     embryonic/larval tracheal transverse connective | ectopic | third instar larval stage       2       --       --       1
     embryonic/larval tracheal transverse connective | embryonic stage       1       --       --       --
     embryonic/larval tracheal transverse connective | somatic clone       1       --       --       --
     embryonic/larval tracheal transverse connective | third instar larval stage       4       --       --       3
Spanning Tree (Parents/Children)
Only view relationship: 
tracheal section
 |__embryonic/larval tracheal section__
tracheal branch                        |
 |__primary tracheal branch____________|
                                       embryonic/larval tracheal transverse connective  54 rec.
                                        |__embryonic/larval tracheal transverse connective 1
                                        |__embryonic/larval tracheal transverse connective 2
                                        |__embryonic/larval tracheal transverse connective 3
                                        |__embryonic/larval tracheal transverse connective 4 1 rec.
                                        |__embryonic/larval tracheal transverse connective 5 1 rec.
                                        |__embryonic/larval tracheal transverse connective 6
                                        |__embryonic/larval tracheal transverse connective 7
                                        |__embryonic/larval tracheal transverse connective 8
                                        |__embryonic/larval tracheal transverse connective 9
                                        |__embryonic/larval tracheal transverse connective 10
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Is a embryonic/larval tracheal section
primary tracheal branch
Develops from tracheal transverse connective primordium
Part of
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Synonyms
Secondary IDs
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