Echinostoma revolutum

Echinostoma revolutum (pronounced: eh-ki-no-sto-ma re-vo-lu-tum) is a species of trematode parasites that belong to the family Echinostomatidae. The term 'Echinostoma' is derived from the Greek words 'echinos' meaning 'hedgehog' and 'stoma' meaning 'mouth', referring to the characteristic spiny collar around the oral sucker of the parasite. 'Revolutum' is a Latin term meaning 'rolled back', which describes the appearance of the parasite's collar.

Life Cycle

The life cycle of Echinostoma revolutum involves multiple hosts. The adult parasites reside in the intestines of the definitive host, which are usually birds or mammals. The eggs are excreted in the feces of the host and hatch in water to release miracidia, which infect the first intermediate host, typically a freshwater snail. In the snail, the miracidia develop into sporocysts, rediae, and then cercariae. The cercariae leave the snail and encyst on or in a second intermediate host, usually another species of snail, a bivalve, or a fish. The definitive host becomes infected by eating the second intermediate host containing the encysted cercariae, which develop into adult parasites in the intestines.

Pathology

Infection with Echinostoma revolutum, known as echinostomiasis, can cause gastrointestinal symptoms such as abdominal pain, diarrhea, and nausea in the definitive host. The severity of the symptoms depends on the number of parasites and the health status of the host.

Treatment and Prevention

Treatment for echinostomiasis typically involves the use of anthelmintic drugs such as praziquantel. Prevention strategies include avoiding consumption of raw or undercooked snails, bivalves, or fish that may be infected with the parasite.

Related Terms

External links

Medical encyclopedia article on Echinostoma revolutum
Wikipedia's article - Echinostoma revolutum

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Echinostoma revolutum