FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term ureter ID (Ontology) FBbt:00005793 (Fly Anatomy)
Definition Proximal segment connecting a pair of Malpighian tubules to the alimentary canal. The ureter is surrounded by longitudinal and circular muscles.[ FlyBase:FBrf0030988 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 ureter (all annotations which use CV term, excluding "NOT" statements)
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Malpighian tubule__
epithelial tube____|
                   Malpighian tubule segment
                    |__ureter  33 rec.
                        |__adult ureter 17 rec.
                        |   |__adult lower ureter(+) 9 rec.
                        |   |__adult upper ureter(+)
                        |__embryonic ureter
                        |__embryonic/larval ureter 8 rec.
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Is a Malpighian tubule segment
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