In the presence of Scientific deputy Ph.D. Saad Mahmoud Ali and Administrative  deputy Assistant Ph.D. Karim Hussein Jawad and  heads of branches and teaching staff, the  Biomedical Engineering Department organized a scientific lecture on" tissue segmentation" delivered by Ph. D. Muayad Abbas Hussein, the lecture dealt with how to deal With tissue samples taken from the body and cut into tissue in the form of tissue slides, with a diameter of 1-10 microns for the purpose of examining them histologically under a microscope and staining the samples. The lecture also included common mistakes that occur during two preparations.