FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term prothoracic segment ID (Ontology) FBbt:00000017 (Fly Anatomy)
Definition The first (most anterior) segment of the thorax.
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      64
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       2
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      27
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
 prothoracic segment (all annotations which use CV term, excluding "NOT" statements)      64      4      2      2     27
     prothoracic segment | dorsal       9       --       --       --       --
     prothoracic segment | ectopic       2       --       --       --       1
     prothoracic segment | heat sensitive       3       --       --       --       3
     prothoracic segment | maternal effect       1       --       --       --       --
     prothoracic segment | pharate adult stage       2       --       --       --       --
     prothoracic segment | ventral       2       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
  segment
   |__thoracic segment
       |__prothoracic segment  1427 rec.
           |__adult prothoracic segment 880 rec.
           |__embryonic prothoracic segment 149 rec.
           |__larval prothoracic segment 315 rec.
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Is a thoracic segment
Part of
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Synonyms
  • "prothorax" RELATED
    "t1" RELATED
    "thoracic segment 1" RELATED
Secondary IDs
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UBERON:6000017