Department of Cell Biology and Histology, University of Murcia and IMIB Pascual Parrilla

Prof. Dr of Zoology, Faculty of Science, Alexandria University

Prof. Of cell biology and histology

Lecturer-Zoology Department-Faculty of Science-Alexandria University

Biology Department, College of Science, Imam Abdulrahman Bin Faisal University

Ain Shams University, cairo, Egypt

King Faisal University, College of Veterinary Medicine

Delta University for Science and Technology

The university of Poonch Rawalakot Azad kashmir