FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term non-functional spiracular tracheal branch ID (Ontology) FBbt:00000314 (Fly Anatomy)
Definition A trachea attached to a non-functional spiracle and whose lumen has collapsed, forming a solid cord.[ FlyBase:FBrf0011558 ]
Also Known As "collapsed spiracular trachea" ; "spiracular thread"
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
No relevant records available
Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
No relevant statements available
Spanning Tree (Parents/Children)
Only view relationship: 
tracheal section
 |__embryonic/larval tracheal section__
 |__tracheal branch____________________|
                                       non-functional spiracular tracheal branch
                                        |__embryonic/larval spiracular tracheal branch 2
                                        |__embryonic/larval spiracular tracheal branch 3
                                        |__embryonic/larval spiracular tracheal branch 4
                                        |__embryonic/larval spiracular tracheal branch 5
                                        |__embryonic/larval spiracular tracheal branch 6
                                        |__embryonic/larval spiracular tracheal branch 7
                                        |__embryonic/larval spiracular tracheal branch 8
                                        |__embryonic/larval spiracular tracheal branch 9
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a embryonic/larval tracheal section
tracheal branch
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "collapsed spiracular trachea" EXACT
    "Palmen's threads" RELATED
    "spiracular thread" EXACT[ FlyBase:FBrf0011558 ]
Secondary IDs
hide External Crossreferences & Linkouts