FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term tracheal metamere ID (Ontology) FBbt:00005025 (Fly Anatomy)
Definition Segmental subdivision of the tracheal system. The most anterior tracheal metamere corresponds to the mesothoracic segment, whereas the most posterior corresponds to abdominal segment 8.[ FlyBase:FBrf0034081 FlyBase:FBrf0064787 ]
Comment According to Whitten (1980), the most anterior tracheal metamere corresponds to the prothoracic segment.
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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      11
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       6
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Relevant FlyBase reports
 Alleles Constructs
 tracheal metamere (all annotations which use CV term, excluding "NOT" statements)      11      6
     tracheal metamere | embryonic stage       3       --
     tracheal metamere | embryonic stage 15       4      2
     tracheal metamere | somatic clone       2      4
Spanning Tree (Parents/Children)
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  organ system subdivision
   |__segmental subdivision of organ system
       |__tracheal metamere  166 rec.
           |__abdominal tracheal metamere 46 rec.
           |   |__tracheal metamere 3 28 rec.
           |   |__tracheal metamere 4 16 rec.
           |   |__tracheal metamere 5 19 rec.
           |   |__tracheal metamere 6 13 rec.
           |   |__tracheal metamere 7 18 rec.
           |   |__tracheal metamere 8 14 rec.
           |   |__tracheal metamere 9 16 rec.
           |   |__tracheal metamere 10 15 rec.
           |__thoracic tracheal metamere 126 rec.
               |__tracheal metamere 1 121 rec.
               |__tracheal metamere 2 24 rec.
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Is a segmental subdivision of organ system
Part of tracheal system
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