Читать книгу Practical Guide to Diagnostic Parasitology - Lynne Shore Garcia - Страница 49

Flagellates move by means of flagella and are acquired through fecal-oral transmission. With the exception of Dientamoeba fragilis (internal flagella) and organisms in the genus Pentatrichomonas, flagellates have both trophozoite and cyst stages in the life cycle. Reproduction is by longitudinal binary fission. Giardia lamblia is the most common pathogen in this group and is one of the most commonly found intestinal parasites. However, when permanent stained smears are routinely performed, D. fragilis is also found to be more common than suspected. Representative organisms include G. lamblia, D. fragilis, Pentatrichomonas hominis, Chilomastix mesnili, Enteromonas hominis, and Retortamonas intestinalis.