a genus of small highly active, usually nonpathogenic or mildly pathogenic ameboid protozoa parasitic in the large intestine of humans and certain monkeys. D. fragilis has been associated with human infection, which is manifested chiefly by diarrhea; abdominal pain; bloody, mucoid, or loose stools; and flatulence.
Dientamoeba/Di·ent·amoe·ba/ (di-ent″ah-me´bah) a genus of amebas commonly found in the human colon and appendix, including D. fra´gilis, a species that has been associated with diarrhea.
A genus of parasitic protozoa marked by possession of two similar nuclei.
A species of parasitic ameba inhabiting the intestine of humans. Persons infected may have diarrhea with blood or mucus, abdominal pain, and anal pruritus. This ameba has been found inside the eggs of pinworms. The eggs may act as a vector.
a genus of amebas commonly found in the colon and appendix of primates and of humans.
occurs in the cecum of humans and monkeys. A species that has been associated with diarrhea but its pathogenicity is unclear.