FB2026_03 , released September 17, 2026
CV Term Report
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Term adult rectal valve ID (Ontology) FBbt:00003145 (Fly Anatomy)
Definition Valve at the posterior end of the adult hindgut, anterior to the rectal sac. It corresponds to a slight thickening of the intestine, followed by a constriction where it joins the rectum.[ FlyBase:FBrf0007735 ]
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adult hindgut
 |__adult posterior hindgut__
rectum                       |
 |__adult posterior hindgut__|
anatomical structure         |
 |__multicellular structure__|
                             adult rectal valve  1 rec.
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Is a multicellular structure
Part of adult posterior hindgut
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