Heterophyes heterophyes, Metagonimus yokogawai, Haplorchis taichui, Haplorchis pumilio and Stellantchasmus falcatus are a few of the many heterophyids. Heterophyes heterophyes (von Siebold, ) Stiles and Hassal, (Figure 2 ). ETYMOLOGY:Hetero = different and phyes = form. Heterophyes heterophyes. Introduction: Heterophyes heterophyes is a small parasitic fluke that infects humans who eat raw or undercooked fish infected with .

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The life cycle in Egypt involves the snail Pironella conica and the brackish-water fish host Mugil cephalus. Linking to a non-federal site does not constitute an endorsement by HHS, CDC or any of its employees of the sponsors or the information and products presented on the site.

Like all trematodes, Heterophyes heterophyes requires a snail as an intermediate host. From Wikipedia, the free encyclopedia. In other projects Heterophyex Commons. J Egypt Soc PArasitol The heart can be affected with tissue reaction in the valves and myocardium that cause heart failure. The miracidia undergo several developmental stages in the snail, i.

Minute teardrop-shaped flukes found in the small intestines of fish-eating birds and mammals. In heavy infections which are common cause damage to the mucosa and produce intestinal pain and mucosa diarrhea. Journal of the Egyptian Society of Parasitology, 37 3 It is possible that inhabitants of these areas eat more low-salted or improperly cooked fish and that their fish are obtained from polluted water.


Numerous humans have been infected with this parasite. Adults reside in the small intestine of the definitive host. January 3, Content source: Surface ultrastructure of Heterophyes heterophyes Trematoda: The prevention of the ingestion of raw fish. This trematode has been reported from Egypt, Israel, Kuwait, Greece, Turkey, and Spain probably throughout the Mediterranean ; as the heteeophyes Heterophyes heterophyes nocensit has been reported from cats in Japan Miyazaki, Get Email Updates To receive email updates about this page, enter your email address: Migration of the hetwrophyes to the heart, resulting in potentially fatal myocardial and valvular damage, has been reported from the Philippines.

Heterophyes – Wikipedia

At the posterior end of the fluke are two oval testes. Praziquantela quinolone derivative.

Here, the cercariae encyst in the muscle tissue. An examination of the histopathology of the intestine of infected cats revealed that the parasites were closely associated with the villi Hamdy and Nicola, Each worm causes a mild inflammatory reaction at its site of contact with the intestine.

Diagnosis done by stool examination is difficult when adult worms are not present because the eggs are hard to distinguish hteerophyes C. It is common practice for people to defecate on the lake shores and river banks or from their boats while fishing.

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This species was originally collected in by Bilharz from a human being in Egypt; the fluke was named Distoma heterophyes by von Siebold. Cerithideopsilla cingulataan intermediate host for H. It has also been reported on rare occasions from west Africa and India Malek, Heterophyes heterophyes recovered from the from the intestine of a cat in Egypt.


The uterus is a long tube like structure that also leads away from the ovary and joins up with the heteropyhes duct to form the genital duct which leads to a genital sinus. The vas deferens leading from the testes expands to form a seminal vesicle and then narrows again to form an ejaculatory duct. Cats become infected by eating raw fish as do other piscivorous animals. The surface of the worm is covered with minute spines. International Journal for Parasitology 35 Volumes I and II.

Probably praziquantel, but not reported. Specimens of the genus Heterophyes have a large genital sucker. In Egypt, after looking hetsrophyes twelve populations of Cerithideopsilla conicawhich is mud snail and carrier of Heterophyes heterophyesit was found that the most infected snails were found in the Nile Delta compared to the Red sea coast and inland waters of the Delta. Notizen zur Helminthologie egyptens.