The Head of the Department of biology (Prof. Dr. Naseer Mirza Hamza) published a paper entitled (Biological effects of the aqueous extract of the leaves of Laurus noboilis L on some histological and immunological parameters in the liver of mice affected by aluminum chloride) in the Archives of Razi Institute, Vol. 76, No. 6 (2021) 1657-1665. The research was summarized to evaluate the protective effect of the aqueous extract of Laurus noboilis leaves against the toxic effects caused by aluminum chloride on liver tissue.