Dr. Ashraf Youssef Nasr is an Associate professor in the Department of Anatomy & Embryology at Zagazig University, Zagazig, Egypt. He holds an MB.BCh, MSc & MD in Anatomy & Embryology. After completion of his MD in Zagazig University, he went on King Abdulaziz University, Jeddah, Saudi Arabia for teaching in Department of Anatomy, Histology & Embryology. He has published 30 articles in peer-reviewed journals including Folia Morphologica, Anatomic Science international, Cancer Cell International, Toxicology Report, Life Science, Saudi Medical Journal and Neurosciences. He is an editor and reviewer of over 10 peer-reviewed medical journals. He is a frequent invited speaker and faculty member in international scientific conferences organized by different Biology, Anatomy, toxicology and Neurology and anthropology departments in different American, European, Asian and African Universities. He has been awarded numerous research awards including the Anatomy & Embryology Department in Zagazig and King Abdulaziz Universities.