heterophyiasis

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heterophyiasis (het-er-oh-fi-I-ă-sis) n. an infestation of the small intestine with the parasitic fluke Heterophyes heterophyes. Humans become infected on eating raw or salted fish that contains the larval stage of the fluke. Symptoms include abdominal pain and diarrhoea; if the eggs reach the brain, spinal cord, and heart they produce serious lesions.