name some disease cause by protozoan (any 3)..
Answers
Answer:
sleeping sickness and malaria
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⏭️Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa. They include organisms classified in Amoebozoa, Excavata, and Chromalveolata. Examples include Entamoeba histolytica, Plasmodium (some of which cause malaria), and Giardia lamblia.
Disease # 1. Leishmaniasis:
⏭️This disease is caused by Leishmania, a flagellate protozoan which is transmitted from man to man by sandflies belonging to genus Phlebotomus.
Disease # 2. Diarrhoea:
⏭️Diarrhoea is caused by Giardia intestinalis (a flagellate protozoan) and is characterized by loose bowls. The causative agent inhabits intestine and feeds upon amino acids and vitamins in the food. It causes intestinal disorders resulting in epigastric pain, abdominal discomfort, loss of appetite and headache.
⏭️The disease is transmitted by cysts which come out in stool. The houseflies contaminate foodstuffs and water and cysts may enter the human body through faecally contaminated food or water. Children are more susceptible to this disease.
Disease # 3. Lambliasis:
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⏭️This disease is cause by Lamblia intestinalis (a flagellate protozoan). Nausea, pyrosis, hypoacidity, and hepatitis develop quite frequently in this disease. The source of infection is people who discharge cysts in stool. The cysts reach in the intestine through contaminated food or water, dissolve their chitinous membrane and multiply in the small intestine and penetrate into the duodenum and gall bladder.
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