Investigating the impact of zinc oxide nanoparticles derived from the alcoholic extract of Origanum majorana leaves on the histological morphology of Leishmania donovania infected albino rats' livers

Conclusions: The histological changes on the liver treated with Nano-extract (zinc oxide) of the Origanum majorana leaves at different concentrations was employed for treating the histological shifts and reducing the damage caused by the parasite. Thus, effectiveness of the nano-extract is effective in reducing the influences and resisting the parasite.