FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term adult proventriculus zone 4 epithelial cell ID (Ontology) FBbt:00059334 (Fly Anatomy)
Definition Epithelial cell of the fourth zone of the adult proventriculus epithelium (King, 1988). These cells are short to cuboidal columnar cells with long apical microvilli that project loosely into the proventriculus lumen. They secrete the second layer of the peritrophic membrane (Zhu et al., 2024). There are approximately 200 of these cells in the adult proventriculus.[ FlyBase:FBrf0048518 FlyBase:FBrf0258898 ]
Also Known As "PV4 cell"
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adult epithelial cell
 |__adult proventriculus epithelial cell__
 |__adult midgut epithelial cell__________|
somatic cell                              |
 |__adult midgut cell of proventriculus___|
                                          adult proventriculus zone 4 epithelial cell
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Is a adult midgut cell of proventriculus
adult proventriculus epithelial cell
adult midgut epithelial cell
Part of adult proventriculus epithelial zone 4
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