Trematodes INTEXT Q&A

• Trematodes are also called as platyhelminths.
• Trematodes have suckers and hence termed as flukes
• S. japonicum has no spine
• Schistosoma means split body
• Man is the definite host of schistosoma
• Miracidium develops into tailed larvae called cercaria
• Schistosoma causes Swimmer's itch
• Intestinal schistosomiasis is caused by Schistosoma mansoni
• Urinary schistosomiasis is caused by Schistosoma haematobium
• Oriental schistosomiasis is caused by Schistosoma japonicum
• Snail is the intermediate host of flukes
• Human become infected with flukes by ingesting raw & cooked vegetables, fishes, and crab
• Paragonimus westermanii has coffee-bean appearance.
• KoH, ELISA, Complement Fixation, and Gel diffusion tests are used inidentification of ova