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, …
A lot of structures appear like parasites but aren’t. In microscopy, artifacts and confusers are two categories of structures that are most often present in stool and blood samples. Stool objects and confusers may be triggered by disease mechanisms, medications, and/or eating patterns. It may be perplexing to see free-living …
Due to its long-pointed tail, which resembles a straight pin in the adult worm, Enterobius vermicularis is called a pinworm. It is also known as ‘Seatworm’. It was originally called Oxyuris vermicularis, discovered by Linnaeus in 1758, and the condition was for several years referred to as oxyuriasis. In ancient …
Anton Von Leeuwenhoek (1681) discovered Giardia Lamblia originally named Cercomonas intestinalis, later also known as Giardia intestinalis or Giardia duodenale in his stools, making it one of the earliest known protozoan parasites. It is called Giardia after Paris Professor Giard and Lamblia after Prague Professor Lambl, who provided a detailed description of the parasite. It is …
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. …