FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term adult proventriculus zone 3 epithelial cell ID (Ontology) FBbt:00059333 (Fly Anatomy)
Definition Epithelial cell of the third zone of the adult proventriculus epithelium (King, 1988). These cells are shorter than the cells from the first and second zones, and are characterized by numerous mitochondria. They secrete the first layer of the peritrophic membrane (Zhu et al., 2024). There are approximately 450 of these cells in the adult proventriculus.[ FlyBase:FBrf0048518 FlyBase:FBrf0258898 ]
Also Known As "PV3 cell"
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adult epithelial cell
 |__adult foregut epithelial cell____________________________
 |__adult proventriculus epithelial cell_____________________|
somatic cell                                                 |
 |__adult foregut cell of proventricular intermediate layer__|
                                                             adult proventriculus zone 3 epithelial cell
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Is a adult foregut cell of proventricular intermediate layer
adult foregut epithelial cell
adult proventriculus epithelial cell
Part of adult proventriculus epithelial zone 3
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