FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term adult heart chamber 4 ID (Ontology) FBbt:00003160 (Fly Anatomy)
Definition Fourth and posterior-most chamber of the adult heart. It tapers posteriorly through segment 5 to the middle of segment 6. Here the slender posterior portion is abruptly expanded and the closed end is stretched between its points of attachment on the rectum and dorsal wall.[ FlyBase:FBrf0007735 ]
Also Known As "terminal cardiac chamber"
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 adult heart chamber 4 (all annotations which use CV term, excluding "NOT" statements)       1
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   |__adult heart chamber
       |__adult heart chamber 4  2 rec.
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