1. Introduction to Parasitology

2. Key terms in Parasitology. Host. Obligate parasite
Key terms in Parasitology Host Obligate parasite Facultative parasite Protozoa Nematodes Helminthes Cestodes Trematodes Arthropods Infestation

3. Introduction to Parasitology
Parasites that infect humans have various classifications, characteristics, and life cycles

4. 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

5. Introduction to Parasitology
Amoeba –include the pathogenic amoeba Entamoeba and Endolimax which cause dysentery in humans

6. Introduction to Parasitology
Helminthes
Cestodes (flatworms)
Nematodes (roundworms)
Trematodes (flukes)

7. Introduction to Parasitology
Athropods
Host Parasites
Insects
-mosquitoes, lice, and fleas
Arachnids
- ticks and mites