FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term tibia ID (Ontology) FBbt:00004642 (Fly Anatomy)
Definition Fourth most proximal segment of the adult leg. It is located between the femur and the first tarsal segment. It has 10 rows of longitudinal mechanosensory bristles around the circumference.[ FlyBase:FBim0000836 FlyBase:FBrf0007734 FlyBase:FBrf0012178 FlyBase:FBrf0045354 ]
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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     131
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       6
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      10
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      37
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
 tibia (all annotations which use CV term, excluding "NOT" statements)     131      6      6     16     42
     tibia | cell autonomous | ectopic | somatic clone       1       --       --       --       --
     tibia | cell non-autonomous | somatic clone       2       --       --       --       2
     tibia | distal       2       --       --       --       2
     tibia | ectopic       6       --       --       --       4
     tibia | heat sensitive       3       --       --       --       1
     tibia | pharate adult stage       2       --       --       --       --
     tibia | proximal | somatic clone       3       --       --       --       --
     tibia | pupal stage       4       --       --       1       --
     tibia | somatic clone      21       --       --       2      3
     tibia | somatic clone - Minute background       2       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
leg________________
appendage segment__|
                   segment of leg
                    |__tibia  283 rec.
                        |__mesothoracic tibia 61 rec.
                        |   |__mesothoracic tibial apical bristle 39 rec.
                        |   |__mesothoracic tibial bract 17 rec.
                        |   |__mesothoracic tibial preapical bristle 8 rec.
                        |   |__mesothoracic tibial sense organ 1 rec.
                        |   |__mesothoracic tibial spur bristle 9 rec.
                        |   |__mesothoracic tibial trichoid sensillum 1 rec.
                        |__metathoracic tibia 46 rec.
                        |   |__metathoracic tibial bract 5 rec.
                        |   |__metathoracic tibial preapical bristle 2 rec.
                        |   |__metathoracic tibial sense organ 1 rec.
                        |   |__metathoracic tibial transverse bristle row 5 rec.
                        |   |__metathoracic tibial trichoid sensillum 1 rec.
                        |__prothoracic tibia 50 rec.
                        |   |__hair plate of prothoracic tibia TiHP3
                        |   |__prothoracic tibial bract 5 rec.
                        |   |__prothoracic tibial bristle(+) 29 rec.
                        |   |__prothoracic tibial sense organ 1 rec.
                        |   |__prothoracic tibial trichoid sensillum 2 rec.
                        |__tibial campaniform sensillum
                        |   |__mesothoracic tibial campaniform sensillum(+)
                        |   |__metathoracic tibial campaniform sensillum(+)
                        |   |__prothoracic tibial campaniform sensillum(+)
                        |__tibial pulsatile organ
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Is a segment of leg
Develops from presumptive tibia
Part of
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Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?tibiae
UBERON:0003131