Parasites and Diseases Revised

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Parasites and Diseases Revised

Category: Essay

Subcategory: Biology

Level: College

Pages: 1

Words: 275

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Parasites and Diseases
Trypanosoma cruzi is a parasitic species of the genus Trypanosoma which causes Chagas disease in America. The condition caused by Trypanosoma cruzi, also known as American human trypanosomiasis, exists in two types in humans: as a trypomastigote in blood, and as amastigote when in cells (Sastry et al. 79). The cell structure of Trypanosoma cruzi plays an essential function during its life cycle by allowing for morph into the three types (trypomastigote, epimastigote, and amastigote) according to the location of the cell in the anatomy of the host. The cells replicate after penetration of another cell has occurred, thanks to its structure. Trypanosoma cruzi also undergo meiosis, as an adaptation, to repair DNA damages that they get in unfavourable surroundings of their respective hosts. Diagnosis of Chagas works only correctly in the acute phase of infection. Blood is smeared and observations made by microscopic examination. The parasites are usually visualised in two blood smears: a thick and a thin one.
Toxoplasma gondii is a crescent-like shaped single-celled protozoan parasite which is eukaryotic (Mary et al. 359). The parasite causes toxoplasmosis in humans, especially infants. The structure of the protozoan is an essential characteristic for its entry into the host’s cells. It has a sharp part at the apical site of the microbe that contains the major three secretary organelles: rh…

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