Entamoeba histolytica is an anaerobic parasitic amoebozoan, part of the genus entamoeba. Hence, early detection and differentiation of pathogenic e. Predominantly infecting humans and other primates causing amoebiasis, e. Entamoeba histolytica schaudinn, 1903 emended walker, 1911 separating it from entamoeba dispar brumpt, 1925. Laboratory methods of identification of entamoeba histolytica. Nov 29, 20 entamoeba histolytica must be differentiated from other intestinal protozoa including. Entamoeba histolytica quiste coproparasitologico youtube. Amebiasis enfermedades infecciosas manual msd version. The former invades tissues and produces lesions by means of the. Worldwide, approximately 50 million people develop colitis or extraintestinal disease, with over 100,000 deaths annually 3. Entamoeba histolyticaentantoeba dispar interpretacion del. The invasiveness of entamoeba histolytica a continuing enigma. Although many people harbour this organism world wide, only about 10% develop clinically.
Evaluation of entamoeba histolytica antigen and antibody pointofcare tests for the rapid diagnosis of amebiasis. The epidemiology of entamoeba histolytica in mexico city. Unfavourable conditions in the habitat such as lack of nutrients, temperature deviations from the optimum range, decreased o 2 tensions, lowered ph and accumulation of metabolic wastes may be the causes for encystment. Entamoeba histolytica y su relacion huespedparasito. Entamoeba histolytica and another ameba, entamoeba dispar, which is about 10 times more common, look the same when seen under a microscope. Feb 09, 2017 in this video we can see a cyst of entamoeba hystolitica, e. Of these entamoeba histolytica is the only species found to be associated with intestinal disease. Intestinal amebiasis is caused by the protozoan entamoeba histolytica. Dpdx is an educational resource designed for health professionals and laboratory scientists. Entamoeba histolytica microbiologia y parasitologia youtube. Entamoeba histolytica multiplies by binary fission in the trophozoite stage. Jul 14, 2014 entamoeba histolytica, the causative agent of intestinal and extraintestinal amebiasis, is a common parasitic cause of significant morbidity and mortality in the developing countries.909 1090 475 611 1336 564 1559 1112 1278 273 1221 49 234 784 1112 1403 823 142 271 443 842 1140 792 1296 192 1025 1398 1130 210 579 429 188