FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term anterior Malpighian tubule ID (Ontology) FBbt:00005788 (Fly Anatomy)
Definition Anterior Malpighian tubule that extends from the midgut hindgut border. It is formed from the dorsal part of the hindgut. There is a pair of these that are connected to a common ureter that is on the midgut/hindgut border. The anterior tubules extend forward towards the head, with each tubule on opposite sides within the body cavity. The tubules bend back on themselves so the apex of the bend -the elbow or kink region- extends forward, leading the anterior tubules towards the head. Towards the end of embryogenesis, the kink region dips ventrally while the distal tips extend to retain their dorsal position. In the mature tubules, the tip cell of the anterior tubules makes contact with alary muscles of the heart. The anterior tubule pair is longer than the posterior one.[ FlyBase:FBrf0211514 FlyBase:FBrf0222532 ]
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 anterior Malpighian tubule (all annotations which use CV term, excluding "NOT" statements)       3
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  epithelial tube
   |__Malpighian tubule
       |__anterior Malpighian tubule  53 rec.
           |__adult anterior Malpighian tubule 2 rec.
           |__embryonic anterior Malpighian tubule 41 rec.
           |__embryonic/larval anterior Malpighian tubule 7 rec.
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