Acknowledgments On behalf of myself and on behalf of the family of the Faculty of Veterinary Medicine. Assiut UniversityI extend my heartfelt thanks and gratitude to Dr. Yessria Abdel-Ghani Abdel-Rahman, Professor of Anatomy, Embryology and EmbryologyFor her great effort during her tenure as chair of the Department of Anatomy and Histology, has seen it all members of the teaching staff and administrators and students. Good management and good treatment of students and dedication and dedication in the service of the Department and the College .. I wish her good health and happiness and peace of mindBest Regards Prof. Hassan Abbas Mohamed Dean of the College