FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term tarsus ID (Ontology) FBbt:00051079 (Fly Anatomy)
Definition Fifth most proximal segment of the adult leg (Held et al., 1986; Schubiger et al., 2012). It can be subdivided into five smaller segments, connected by simple hinged joints (Held et al., 1986; Schubiger et al., 2012).[ FlyBase:FBrf0045354 FlyBase:FBrf0219028 ]
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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       4
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       2
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Constructs
 tarsus (all annotations which use CV term, excluding "NOT" statements)       4      2
     tarsus | absent       2      2
     tarsus | adult stage       2       --
Spanning Tree (Parents/Children)
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appendage segment
 |__segment of leg_______________
ectodermal derivative            |
 |__ventral ectoderm derivative__|
                                 tarsus  1366 rec.
                                  |__mesothoracic tarsus 84 rec.
                                  |__metathoracic tarsus 81 rec.
                                  |__prothoracic tarsus 557 rec.
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Is a segment of leg
ventral ectoderm derivative
Develops from leg disc
Part of
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Synonyms
Secondary IDs
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https://www.ento.csiro.au/biology/drosophila/melanogaster.html?tarsi