الفهرس 
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Abstract
Parasitic infestation may lead to . many health problems depending on the type of parasite and the organ involved which causes incapacitation during the productive period of life leading to economic losses due to lowered physical activity and the costs of mangement and control measure. The liver is frequently the site of a severe disease and that result from both systemic insult and infections transmitted via the portal circulation. The liver dealt with the parasites by its reticuloendothelial components and end by granuloma formation. Cysts or abscess.
Many human infections . remam asymptomatic In other instances the severity and nature of the signs and symptoms produced by the parasites . are variable and never pathogonmic. The particular manifestation are determined by the site of localization of the lesion produced their size and their condition.