FB2026_03 , released September 17, 2026
CV Term Report
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Term transitional segment of Malpighian tubule ID (Ontology) FBbt:00005791 (Fly Anatomy)
Definition Second most distal segment of the Malpighian tubule. It is involved in secretion.[ FlyBase:FBrf0184042 FlyBase:FBrf0218070 FlyBase:FBrf0222532 ]
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Data ClassFieldDirect annotations
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 transitional segment of Malpighian tubule (all annotations which use CV term, excluding "NOT" statements)
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Malpighian tubule__
epithelial tube____|
                   Malpighian tubule segment
                    |__transitional segment of Malpighian tubule  2 rec.
                        |__adult transitional segment of Malpighian tubule 1 rec.
                        |   |__adult Malpighian tubule bar-shaped cell of transitional segment 1 rec.
                        |   |__adult Malpighian tubule principal cell of transitional segment
                        |__embryonic transitional segment of Malpighian tubule
                        |__larval transitional segment of Malpighian tubule
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Is a Malpighian tubule segment
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