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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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There was a local cellular reaction and the Peyer’s patches were hyperplastic. In addition to humans, various fish-eating mammals e. From Wikipedia, the free encyclopedia. The life cycle in Egypt involves the snail Pironella conica and the brackish-water fish host Mugil cephalus.

Heterophyes heterophyes by Anastasia Bowman Jun 13, The heart can be affected hetetophyes tissue reaction in the valves and myocardium that cause heart failure.

Like all trematodes, Heterophyes heterophyes requires a snail as an intermediate host. Experiments on habitat selection of Heterophyes species in different definitive hosts.

Heterophyes heterophyes – Wikipedia

The first report in cats is that of Looss The adult trematodes are found embedded in the villi, and measure about 1 mm by 0. Experiments on habitat selection of Heterophyes species in different definitive hosts. International Medical Foundation of Japan. Surface ultrastructure of Heterophyes heterophyes Trematoda: In heavy infections which are common cause damage to the mucosa and produce intestinal pain and mucosa diarrhea. In endemic areas, people who heteropyhes near lake shores or river banks usually have a higher rate and intensity of infection than heteriphyes living a distance from such areas.


The fluke also has female reproductive organs. Journal of the Egyptian Society of Parasitology, 37 3 hdterophyes, Adults reside in the small intestine of the definitive host. The main symptoms are diarrhea and colicky abdominal pain.

Sometimes eggs can enter the blood and lymph vascular systems through mucosa go into the ectopic sites in the body. Middle and upper portion, jejunum and duodenum of the small intestine Tarachewski, Image Gallery Adult of Heterophyes heterophyes. The eggs are hard to tell apart from other related species so there is no accurate estimate of human infection.

The uterus is a long tube like structure that also leads away from the ovary and joins up with the ejaculatory duct to form the genital duct which leads to a genital sinus.

Heterophyes heterophyes

By using heterophyse site, you agree to the Terms of Use and Privacy Policy. Heterophyes heterophyes recovered from the from the intestine of a cat in Egypt. On their way down, they contact a fish and penetrate into the epithelium of the fish. Laboratory Diagnosis Laboratory Diagnosis The diagnosis is based on the microscopic identification of eggs in the stool.

Heterophyes heterophyes | American Association of Veterinary Parasitologists

Adults of Heterophyes heterophyes are minute flukes, measuring mm in length. Volumes I and II.


The effect of praziquantel on H. Hamdy EI, Nicola E. The definitive host becomes infected by ingesting undercooked or salted fish containing metacercariae.

The spines on the genital sucker of Heterophyes heterophyes number 50 to 80 and are digitate, looking like small leafless trees. Numerous humans have been infected with this parasite. Specimens of the genus Heterophyes have a large genital sucker. After ingestion, the metacercariae excyst, attach to the mucosa of the small intestine and mature into adults measuring heterlphyes.

However, no clinical heferophyes were described. Diagnosis done by stool examination is difficult when adult worms are not present because the eggs are hard to distinguish from C. Journal of the Egyptian Society of Parasitology, heteerophyes 2 In the orient, Heterophyes nocens Onji and Nishio, was described, but it is now considered a subspecies of Heterophyes heterophyes.

The metacercariae are found within the muscle of the fish hosts. 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.