Parasitology -Parasite -viruses. -bacteria. -fungi. -protozoa. -helminths. -insects. -Host.

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Presentation transcript:

Parasitology -Parasite -viruses. -bacteria. -fungi. -protozoa. -helminths. -insects. -Host

Five Kingdoms system of classification 1-Monera 2-Protista (protozoa) 3-Fungi 4-Plantae 5-Animalia (helminths)

Parasites 1-Protozoa 2-Helminths 3-Insects Medical Parasitology 1-Medical Protozoalogy 2-Medical Helminthology 3-Medical Entomology

Classification of Protozoa 1-Amoebae (Entamoeba histolytica) 2-Ciliates (Balantidium coli) 3-Flagellates (Giardia lamblia) 4-Sporozoa (Toxoplazma godii)

Types of parasites -Ectoparasites -Endoparasites -Obligate parasites -Facultative parasites (free living) -Permanent parasites -Temporary parasites -Accidental parasites

Types of hosts -Definitive hosts -Intermediate host -Reservoir hosts -Paratenic hosts -Natural hosts -Accidental hosts

Host-parasite relashionship -Symbiosis (no harm to the host) -Apportunism -Commensalism -Mutualism -Parasitism

-Infection -Infestation -Vector

Pathogenisity of parasites -Trauma -Lytic necrosis -Inflammation -Toxines -Allergic manifestation