FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult proventriculus epithelial zone 4 ID (Ontology) FBbt:00059327 (Fly Anatomy)
Definition The section of the adult midgut epithelium inside the proventriculus that extends from the end of the foregut cuticle to the fold between the intermediate and outer layers of the proventriculus (King, 1988). This is the anteriormost segment of the midgut epithelium inside the proventriculus.[ FlyBase:FBrf0048518 ]
Also Known As "PV4 region"
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  gut epithelial section
   |__adult proventriculus epithelium
       |__adult proventriculus epithelial zone 4
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Is a adult proventriculus epithelium
Part of adult midgut epithelium
adult proventriculus intermediate layer
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