FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term prothoracic metatarsal segment transverse row bristle ID (Ontology) FBbt:00004285 (Fly Anatomy)
Definition Any bracted bristle in one of the transverse bristle rows (TR) of the prothoracic metatarsus (tarsal segment 1). The TRs are located in the anterior compartment. There is sexual dimorphism, with females having 7 to 8 TRs, whereas in males, 2 of the TRs have been replaced by the male specific sex comb and central bristle.[ FlyBase:FBrf0031004 ]
Also Known As "prothoracic tarsal segment 1 transverse row" ; "T1 Ts1 TR"
Comment
Links to External Ontologies
VFB:FBbt_00004285
Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       3
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       1
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Constructs
 prothoracic metatarsal segment transverse row bristle (all annotations which use CV term, excluding "NOT" statements)       3      1
     prothoracic metatarsal segment transverse row bristle | female       1       --
Spanning Tree (Parents/Children)
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microchaeta_____________________________
prothoracic leg mechanosensory bristle__|
                                        prothoracic tarsal bristle
                                         |__prothoracic metatarsal segment transverse row bristle  4 rec.
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Is a prothoracic tarsal bristle
Part of prothoracic metatarsus
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Synonyms
  • "prothoracic tarsal segment 1 transverse row" EXACT
    "T1 Ts1 TR" EXACT
Secondary IDs
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VFB:FBbt_00004285