− | [[Image:Proventriculus Histology.jpg|thumb|right|150px|Proventriculus Histology - Dr. Thomas Caceci and Dr. Ihab El-Zhogby, Department of Histology, Faculty of Veterinary Medicine, Zagazig University, Egypt]] | + | [[Image:Proventriculus Histology.jpg|thumb|right|250px|Proventriculus Histology - Dr. Thomas Caceci and Dr. Ihab El-Zhogby, Department of Histology, Faculty of Veterinary Medicine, Zagazig University, Egypt]] |