Ekinci, A. Ekinci, N. Ekingen, A. El Aasar, H. El Bana, E. A. El Fouhil, A. F., Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia El Fouhil, A. F., Department of Anatomy & Embryology, College of Medicine, King Saud University, Riyadh, Saudi Arabia El Fouhil, A. F. El Husseiny, A. A.W. El Kersh, S. O.F. El Kininy, W. El Sadik, A. O. El Sadik, A. El Shahat, A. E. R. El Sharouny, S. H. El-Akabawy, G. F. A. El-Akabawy, G. El-Akabawy, G. (United Arab Emirates) El-Bakary, R. El-Bakry, A. M., Department of Zoology, Faculty of Science, Beni-Suef University, Cairo, Egypt El-Beshbishy, R. A., Anatomy Department, Faculty of Medicine, Suez Canal University, Egypt Anatomy Department, Faculty of Medicine, Ain Shams University, Egypt El-Beshbishy, R. A., Department of Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia El-Busaid, H. El-Busaidy, H. El-Dabaa, M. A., Botany Department, National Research Centre, Cairo, Egypt.