FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term tarsal segment ID (Ontology) FBbt:00004646 (Fly Anatomy)
Definition A segment of the tarsus of the adult leg. The first tarsal segment, the metatarsus, is proximally connected to the tibia. Tarsal segments are covered in 8 longitudinal rows of bristles, with row 1 being the most ventral.[ FlyBase:FBim0000836 FlyBase:FBrf0007734 FlyBase:FBrf0012178 ]
Also Known As "tarsomere"
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     451
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      10
Insertions (FBti)  PHENOTYPE_MANIFEST_IN     104
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN     116
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
 tarsal segment (all annotations which use CV term, excluding "NOT" statements)     452      9      1    112    124
     tarsal segment | absent | adult stage       2       --       --       --       2
     tarsal segment | adult stage       5       --       --       3      2
     tarsal segment | cell autonomous | ectopic | somatic clone       1       --       --       --       --
     tarsal segment | cell non-autonomous | somatic clone       2       --       --       --       2
     tarsal segment | distal       3       --       --       --       2
     tarsal segment | dorsal       1       --       --       --       --
     tarsal segment | dorsal | pharate adult stage       2       --       --       --       1
     tarsal segment | ectopic      62       --       --       1     43
     tarsal segment | ectopic | heat sensitive       1       --       --       --       1
     tarsal segment | ectopic | somatic clone       2       --       --       1       --
     tarsal segment | ectopic | temperature conditional       2       --       --       --       --
     tarsal segment | heat sensitive      11       --       --       --       2
     tarsal segment | P-stage       2       --       --       1       --
     tarsal segment | pharate adult stage       4       --       --       1       --
     tarsal segment | pupal stage       2       --       --       --       --
     tarsal segment | somatic clone      21       --       --       3      4
     tarsal segment | somatic clone | increased number       1       --       --       --       --
     tarsal segment | temperature conditional       2       --       --       --       1
     tarsal segment | ventral       1       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
  appendage segment
   |__segment of leg
       |__tarsal segment  1362 rec.
           |__mesothoracic tarsal segment 84 rec.
           |   |__mesothoracic metatarsus 18 rec.
           |   |__mesothoracic tarsal segment 2 8 rec.
           |   |__mesothoracic tarsal segment 3 7 rec.
           |   |__mesothoracic tarsal segment 4 10 rec.
           |   |__mesothoracic tarsal segment 5 8 rec.
           |__metatarsus 620 rec.
           |   |__mesothoracic metatarsus 18 rec.
           |   |__metathoracic metatarsus 30 rec.
           |   |__prothoracic metatarsus(+) 512 rec.
           |__metathoracic tarsal segment 81 rec.
           |   |__metathoracic metatarsus 30 rec.
           |   |__metathoracic tarsal segment 2 12 rec.
           |   |__metathoracic tarsal segment 3 9 rec.
           |   |__metathoracic tarsal segment 4 12 rec.
           |   |__metathoracic tarsal segment 5 10 rec.
           |__prothoracic tarsal segment 557 rec.
           |   |__prothoracic metatarsus(+) 512 rec.
           |   |__prothoracic tarsal segment 2 24 rec.
           |   |__prothoracic tarsal segment 3 18 rec.
           |   |__prothoracic tarsal segment 4 20 rec.
           |   |__prothoracic tarsal segment 5 13 rec.
           |__tarsal segment 2 111 rec.
           |   |__mesothoracic tarsal segment 2 8 rec.
           |   |__metathoracic tarsal segment 2 12 rec.
           |   |__prothoracic tarsal segment 2 24 rec.
           |__tarsal segment 3 120 rec.
           |   |__mesothoracic tarsal segment 3 7 rec.
           |   |__metathoracic tarsal segment 3 9 rec.
           |   |__prothoracic tarsal segment 3 18 rec.
           |__tarsal segment 4 159 rec.
           |   |__mesothoracic tarsal segment 4 10 rec.
           |   |__metathoracic tarsal segment 4 12 rec.
           |   |__prothoracic tarsal segment 4 20 rec.
           |__tarsal segment 5 41 rec.
               |__mesothoracic tarsal segment 5 8 rec.
               |__metathoracic tarsal segment 5 10 rec.
               |__prothoracic tarsal segment 5 13 rec.
Spanning Tree View Settings
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Is a segment of leg
Part of tarsus
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Synonyms
Secondary IDs
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UBERON:6004646