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dientamoebiasis

n. (context medicine English) A condition caused by infection with ''Dientamoeba fragilis'', a gastrointestinal parasite, leading to diarrhea, abdominal pain, and failure to thrive in children.

Wikipedia
Dientamoebiasis

Dientamoebiasis is a medical condition caused by infection with Dientamoeba fragilis, a single-cell parasite that infects the lower gastrointestinal tract of humans. It is an important cause of traveler's diarrhea, chronic abdominal pain, chronic fatigue, and failure to thrive in children.