Definition of Parasitology It studies the pathogenic parasites and their relationships to the hosts and environment Parasites traditionally have included the study of three major groups of animals: parasitic protozoa, parasitic helminthes(worms), and those arthropods that directly cause disease or act as vectors of various pathogens. It encompasses aspects of biology, pathogenesis, diagnosis, epidemiology, treatment, prevention and control Parasitology is usually in the scope ofpreventive medicine and the foundation of clinical parasitic diseasesDefinition of Parasitology ⚫ It studies the pathogenic parasites and their relationships to the hosts and environment. ⚫ Parasites traditionally have included the study of three major groups of animals: parasitic protozoa , parasitic helminthes(worms) , and those arthropods that directly cause disease or act as vectors of various pathogens. ⚫ It encompasses aspects of biology, pathogenesis, diagnosis, epidemiology, treatment, prevention and control. Parasitology is usually in the scope of preventive medicine and the foundation of clinical parasitic diseases