FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term femur ID (Ontology) FBbt:00004644 (Fly Anatomy)
Definition Large, third most proximal segment of the adult leg. It is located between the trochanter and the tibia.[ FlyBase:FBim0000836 FlyBase:FBrf0007734 ]
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     139
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       5
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      11
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      35
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
 femur (all annotations which use CV term, excluding "NOT" statements)     139      1      4     16     39
     femur | cell non-autonomous | somatic clone       2       --       --       --       2
     femur | distal       4       --       --       --       3
     femur | distal | somatic clone       2       --       --       --       --
     femur | ectopic | heat sensitive       2       --       --       --       2
     femur | heat sensitive       1       --       --       --       --
     femur | male limited       1       --       --       1       --
     femur | pharate adult stage       2       --       --       --       --
     femur | proximal       2       --       --       --       --
     femur | proximal | somatic clone       1       --       --       --       --
     femur | pupal stage       4       --       --       1       --
     femur | somatic clone      21       --       --       2      3
     femur | somatic clone - Minute background       2       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
leg________________
appendage segment__|
                   segment of leg
                    |__femur  272 rec.
                        |__arculum
                        |__femoral campaniform sensillum 3 rec.
                        |   |__mesothoracic femoral campaniform sensillum(+)
                        |   |__metathoracic femoral campaniform sensillum(+)
                        |   |__prothoracic femoral campaniform sensillum(+) 1 rec.
                        |__femoral chordotonal organ 28 rec.
                        |   |__femoral chordotonal organ scolopidium(+) 5 rec.
                        |   |__mesothoracic femoral chordotonal organ(+) 7 rec.
                        |   |__metathoracic femoral chordotonal organ(+) 7 rec.
                        |   |__prothoracic femoral chordotonal organ(+) 7 rec.
                        |   |__scoloparium of femoral chordotonal organ(+)
                        |__mesothoracic femur 29 rec.
                        |   |__mesothoracic femoral bract 8 rec.
                        |   |__mesothoracic femoral campaniform sensillum(+)
                        |   |__mesothoracic femoral chordotonal organ(+) 7 rec.
                        |__metathoracic femur 52 rec.
                        |   |__metathoracic femoral bract 8 rec.
                        |   |__metathoracic femoral campaniform sensillum(+)
                        |   |__metathoracic femoral chordotonal organ(+) 7 rec.
                        |   |__metathoracic femoral yellow bristle
                        |__prothoracic femur 26 rec.
                            |__prothoracic femoral bract 8 rec.
                            |__prothoracic femoral bristle
                            |__prothoracic femoral campaniform sensillum(+) 1 rec.
                            |__prothoracic femoral chordotonal organ(+) 7 rec.
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Is a segment of leg
Develops from presumptive femur
Part of
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Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?femora