FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term unguis ID (Ontology) FBbt:00004660 (Fly Anatomy)
Definition The paired, hollow chitinous hooks at the end of the pretarsus. These are sclerotized extensions of the integument (i.e. they consist of underlying epidermis and overlying cuticle).[ FlyBase:FBrf0007734 FlyBase:FBrf0111704 FlyBase:FBrf0166419 ]
Also Known As"claw"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Images Insertions Constructs
 unguis (all annotations which use CV term, excluding "NOT" statements)
     unguis | absent
      --       --
     unguis | cell autonomous | ectopic | somatic clone
      --       --       --
     unguis | distal
      --       --
     unguis | ectopic
      --       --
     unguis | ectopic | somatic clone
      --       --       --
     unguis | increased number
      --       --       --
     unguis | P-stage
      --
      --
     unguis | pupal stage
      --       --       --
     unguis | somatic clone
      --
      --
     unguis | somatic clone - Minute background
      --
      --
     unguis | temperature conditional
      --       --
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segment of leg
 |__pretarsus______________
region of integument       |
 |__sclerite_______________|
 |__integumentary process__|
                           unguis  266 rec.
                            |__mesothoracic unguis 6 rec.
                            |   |__mesothoracic unguis scale
                            |__metathoracic unguis 6 rec.
                            |   |__metathoracic unguis scale
                            |__prothoracic unguis 11 rec.
                            |   |__prothoracic unguis scale
                            |__unguis scale 2 rec.
                                |__mesothoracic unguis scale
                                |__metathoracic unguis scale
                                |__prothoracic unguis scale
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Is a sclerite
integumentary process
Develops from presumptive unguis
Part of pretarsus
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Synonyms
  • "claw" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?tarsal%20claws