120 likes | 768 Views
Introduction to Parasitology. Key terms in Parasitology Host Obligate parasite Facultative parasite Protozoa Nematodes Helminthes Cestodes Trematodes Arthropods Infestation. Introduction to Parasitology.
E N D
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 Giardialamblia, Trypanosome sp. and Trichomonasvaginalis
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