1Department of Surgery, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt.
2Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Damanhour University 2511, Egypt.
3Department of Life Science Frontiers, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.
4Department of Surgery, Faculty of Veterinary Medicine, Cairo University, P.O. Box 12613, Giza, Egypt.
5Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt.
6Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt.
7Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
8Zoology Department, Faculty of Science, Mansoura University, Mansoura, Egypt
* Corresponding author: m.abumandour@yahoo.com, M.abumandour@alexu.edu.eg