FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term initial segment of Malpighian tubule ID (Ontology) FBbt:00005790 (Fly Anatomy)
Definition Distal segment of the Malpighian tubule. It is involved in calcium homeostasis and excretion. The initial segment of the adult is smaller than in the larva.[ FlyBase:FBrf0030988 FlyBase:FBrf0083335 FlyBase:FBrf0128452 FlyBase:FBrf0184042 FlyBase:FBrf0218070 FlyBase:FBrf0222532 ]
Also Known As "distal segment of Malpighian tubule"
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
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 Insertions
 initial segment of Malpighian tubule (all annotations which use CV term, excluding "NOT" statements)       4
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Malpighian tubule__
epithelial tube____|
                   Malpighian tubule segment
                    |__initial segment of Malpighian tubule  21 rec.
                        |__adult initial segment of Malpighian tubule 16 rec.
                        |   |__adult Malpighian tubule bar-shaped cell of initial segment 5 rec.
                        |   |__adult Malpighian tubule principal cell of initial segment 10 rec.
                        |__embryonic initial segment of Malpighian tubule 1 rec.
                        |__embryonic/larval initial segment of Malpighian tubule
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Is a Malpighian tubule segment
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