Theory & Practices of Clinical Laboratory
The coccidian parasite Cyclospora cayetanensis was recently identified as a human intestinal pathogen. Schneider identified it in 1881, and Ashford reported it as a human infection in 1979. Cyclosporiasis, which is caused by ingestion of sporulated oocysts in contaminated food or water, has been identified as a primary source of …
Trichomonas vaginalis is a parasite that can infect the urogenital systems of both men and women. It was initially discovered by Donne in 1836. The pathogenic parasite T. vaginalis causes vaginitis, urethritis, and prostatitis. T. vaginalis infection is frequently mistaken for a sexually transmitted disease. Freshly voided urine, prostatic secretions, …
Amebic colitis, amebic dysentery, and extraintestinal amebiasis are some of the common diseases caused by Entamoeba histolytica. By infecting the mucosa of the colon, this ameba infect people, causing flask-shaped lesions and bloody diarrhea.The trophozoite secretes lyticenzymes, which can spread to other tissues, including the liver, resulting in amebic ulceration. …