FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term leg ID (Ontology) FBbt:00004640 (Fly Anatomy)
Definition The walking appendages of each segment of the ventral adult external 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    1108
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      19
Insertions (FBti)  PHENOTYPE_MANIFEST_IN     164
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN     354
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
 leg (all annotations which use CV term, excluding "NOT" statements)    1108     48      9    182    368
     leg | adult stage       9       --       --       2      5
     leg | adult stage | somatic clone       3       --       --       --       2
     leg | cell autonomous | ectopic | somatic clone       1       --       --       --       --
     leg | cell autonomous | somatic clone       2       --       --       1       --
     leg | cell non-autonomous | somatic clone       2       --       --       --       2
     leg | cell non-autonomous | somatic clone | ventral       1       --       --       --       --
     leg | chemical conditional       2       --       --       --       1
     leg | cold sensitive       5       --       --       --       2
     leg | distal      58       --       --       3     33
     leg | distal | ectopic       9       --       --       --       7
     leg | distal | ectopic | somatic clone       3       --       --       --       3
     leg | distal | heat sensitive       5       --       --       2      1
     leg | distal | somatic clone       3       --       --       --       --
     leg | dorsal | pharate adult stage       2       --       --       1       --
     leg | dorsal | somatic clone       3       --       --       --       --
     leg | ectopic      94       --       --      10     59
     leg | ectopic | cold sensitive       4       --       --       --       2
     leg | ectopic | female       2       --       --       --       2
     leg | ectopic | medial       1       --       --       --       --
     leg | ectopic | proximal       1       --       --       --       --
     leg | ectopic | proximal | somatic clone       3       --       --       --       3
     leg | ectopic | somatic clone      17       --       --       1      4
     leg | female       2       --       --       --       2
     leg | female | germline clone       1       --       --       --       --
     leg | heat sensitive      26       --       --       3     11
     leg | increased number       2       --       --       --       1
     leg | male       4       --       --       --       2
     leg | maternal effect       2       --       --       2       --
     leg | medial       4       --       --       --       3
     leg | P-stage      20       --       --       --       5
     leg | P-stage | germline clone | maternal effect       1       --       --       --       --
     leg | pharate adult stage      26       --       --       9     10
     leg | pharate adult stage P10       2       --       --       --       --
     leg | pharate adult stage | ventral       2       --       --       1       --
     leg | posterior | somatic clone       2       --       --       --       --
     leg | prepupal stage       4       --       --       --       --
     leg | proximal       7       --       --       2      3
     leg | proximal | somatic clone       5       --       --       --       --
     leg | pupal stage      19       --       --       2     13
     leg | somatic clone      65       --       --       8     19
     leg | somatic clone - Minute background       4       --       --       1       --
     leg | somatic clone | increased number       1       --       --       --       --
     leg | somatic clone | ventral       3       --       --       --       --
     leg | ventral | heat sensitive       1       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
  organism subdivision
   |__appendage
       |__leg  3361 rec.
           |__mesothoracic leg 371 rec.
           |__metathoracic leg 413 rec.
           |__prothoracic leg 724 rec.
Spanning Tree View Settings
Parents/Children
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Is a appendage
Part of adult thoracic segment
adult external thorax
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Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?legs
UBERON:0005895