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Introduction to Parasitology
Key terms in Parasitology Host Obligate parasite Facultative parasite Protozoa Nematodes Helminthes Cestodes Trematodes Arthropods Infestation
Introduction to Parasitology
Parasites that infect humans have various classifications, characteristics, and life cycles
Introduction to Parasitology
Protozoans are microscopic one-celled organisms that are categorized according to their method of movements Ciliates – the only parasitic ciliate that causes
disease in humans in Balantidium coli Flagellates – three of the most common and
medically significant include Giardia lamblia, Trypanosome sp. and Trichomonas vaginalis
Introduction to Parasitology
Amoeba –include the pathogenic amoeba Entamoeba and Endolimax which cause dysentery in humans
Introduction to Parasitology
Helminthes Cestodes (flatworms) Nematodes (roundworms) Trematodes (flukes)
Introduction to Parasitology
Athropods Host Parasites
Insects
-mosquitoes, lice, and fleas Arachnids
- ticks and mites