FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term leg joint ID (Ontology) FBbt:00004645 (Fly Anatomy)
Definition Articulation of the leg. There are four highly-articulated joints per leg that are involved in walking (Feng et al., 2020), and simple hinged joints between the tarsal segments (Held et al., 1986).[ FlyBase:FBrf0045354 FlyBase:FBrf0247391 ]
Also Known As "adult leg joint" ; "leg articulation"
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 leg joint (all annotations which use CV term, excluding "NOT" statements)
     leg joint | adult stage
      --
      --
     leg joint | adult stage | ectopic
      --       --       --
     leg joint | cell autonomous | somatic clone
      --
      --
     leg joint | cell non-autonomous | somatic clone
      --
      --
     leg joint | dorsal | pharate adult stage
      --       --
     leg joint | ectopic
      --
     leg joint | ectopic | pharate adult stage
      --
      --
     leg joint | ectopic | somatic clone
      --
      --
     leg joint | heat sensitive
      --       --
     leg joint | increased number
      --       --
     leg joint | somatic clone
      --       --
     leg joint | somatic clone | increased number
      --       --
Spanning Tree (Parents/Children)
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adult thoracic segment
 |__leg_______________________
adult external thorax         |
 |__leg_______________________|
appendage                     |
 |__leg_______________________|
integumentary specialization  |
 |__articulation______________|
                              leg joint  302 rec.
                               |__body-coxa joint
                               |   |__proximal joint of mesothoracic coxa
                               |   |__proximal joint of metathoracic coxa
                               |   |__proximal joint of prothoracic coxa
                               |__coxa-trochanter joint
                               |   |__mesothoracic coxa-trochanter joint
                               |   |__metathoracic coxa-trochanter joint
                               |   |__prothoracic coxa-trochanter joint
                               |__femur-tibia joint
                               |   |__mesothoracic femur-tibia joint
                               |   |__metathoracic femur-tibia joint
                               |   |__prothoracic femur-tibia joint
                               |__tibia-tarsus joint 4 rec.
                                   |__mesothoracic tibia-tarsus joint
                                   |__metathoracic tibia-tarsus joint
                                   |__prothoracic tibia-tarsus joint
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Is a articulation
Part of leg
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Synonyms
  • "adult leg joint" EXACT
    "leg articulation" EXACT
Secondary IDs
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