FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult midgut region R4a ID (Ontology) FBbt:00110902 (Fly Anatomy)
Definition Subregion at the anterior zone of the adult midgut region R4. It contains a highly folded lumen, with enterocytes sometimes organized in multilayers, and containing lipid vesicles.[ FlyBase:FBrf0221749 FlyBase:FBrf0222542 ]
Also Known As "adult midgut P1 and Fe region"
Comment The R4a region of Buchon et al. (2013) encompasses both the Fe region and the P1 region described by Marianes and Spradling (2013) (O'Brien, 2013).
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  gut section
   |__adult midgut region
       |__adult midgut region R4a
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Is a adult midgut region
Part of adult midgut region R4
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