FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term FBbt:00005037 ID (Ontology) FBbt:00005037 (Fly Anatomy)
Definition Primordium of a single tracheal metamere of the embryonic/larval tracheal system from its appearance as a placode during stage 11 to the completion of fusion with adjacent tracheal metameres in stage 15/16. There are 10 pairs of tracheal primordia - one pair in each segment from T2 to A8. Each tracheal primordium originates as a slight depression in the lateral ectoderm during stage 10 known as a tracheal placode. During stage 11, these placodes invaginate to form tracheal pits that elongate and branch. These pits close over during stage 13. Fusion of tracheal primordia begins at stage 14 with fusion of the dorsal trunk primordia and is complete by early stage 16.[ FlyBase:FBrf0089570 ]
Also Known As "P2 TrachP"
Comment
Links to External Ontologies
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      28
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       6
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       8
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 Images Insertions Constructs
 FBbt:00005037 (all annotations which use CV term, excluding "NOT" statements)      30    191      2      6     14
     FBbt:00005037 | FBcv:0000061       7       --       --       --       5
     FBbt:00005037 | FBcv:0000061 | FBcv:0000335 | FBcv:0000161       1       --       --       --       --
     FBbt:00005037 | FBcv:0000335 | FBcv:0000161       1       --       --       --       --
     FBbt:00005037 | FBdv:00005289       4       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
FBbt:00000052
 |__FBbt:00004208__
FBbt:00007006      |
 |__FBbt:00004208__|
 |__FBbt:00005495__|
FBbt:00007116      |
 |__FBbt:00005569__|
FBbt:00025990      |
 |__FBbt:00007046__|
                   FBbt:00005037  630 rec.
                    |__FBbt:00000187 24 rec.
                    |   |__FBbt:00000199 23 rec.
                    |   |__FBbt:00000224
                    |   |__FBbt:00000245
                    |__FBbt:00000188 25 rec.
                    |   |__FBbt:00000200 24 rec.
                    |   |__FBbt:00000214
                    |   |__FBbt:00000225
                    |   |__FBbt:00000235
                    |   |__FBbt:00000246
                    |__FBbt:00000189 8 rec.
                    |   |__FBbt:00000190(+) 5 rec.
                    |   |__FBbt:00000191(+) 4 rec.
                    |   |__FBbt:00000192(+) 2 rec.
                    |   |__FBbt:00000193(+) 2 rec.
                    |   |__FBbt:00000194(+) 2 rec.
                    |   |__FBbt:00000195(+) 3 rec.
                    |   |__FBbt:00000196(+) 5 rec.
                    |   |__FBbt:00000201(+) 7 rec.
                    |   |__FBbt:00007470(+) 5 rec.
                    |__FBbt:00005036 436 rec.
                    |   |__FBbt:00000199 23 rec.
                    |   |__FBbt:00000200 24 rec.
                    |   |__FBbt:00000201(+) 7 rec.
                    |   |__FBbt:00005578(+) 54 rec.
                    |   |__FBbt:00005580 21 rec.
                    |   |__FBbt:00005581 86 rec.
                    |   |__FBbt:00005589 2 rec.
                    |   |__FBbt:00005591 83 rec.
                    |   |__FBbt:00017003 35 rec.
                    |   |__FBbt:00017010(+) 184 rec.
                    |   |__FBbt:00110661
                    |__FBbt:00110661
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Is a developing embryonic structure
primordium
dorsal ectoderm derivative
Part of presumptive embryonic/larval tracheal system
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Synonyms
  • "P2 TrachP" EXACT
    "tracheal placode" RELATED
    "TrachP3" RELATED
Secondary IDs
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UBERON:6005037