Digenea
Digenea
Digenea (pronounced: dih-je-nee-uh) is a class of trematodes in the phylum Platyhelminthes, commonly known as flukes. They are internal parasites of many classes of vertebrates, including humans, and are a significant cause of disease.
Etymology
The term "Digenea" comes from the Greek words "di", meaning two, and "genes", meaning born. This refers to the two-host life cycle that is typical of species in this class.
Life Cycle
The life cycle of Digenea involves two or more hosts. The primary host, where the flukes reach maturity and reproduce, is usually a vertebrate. The intermediate host, in which the larvae develop, is usually a mollusc.
Diseases Caused
Digenea are responsible for a number of diseases in humans and animals, including Schistosomiasis, Fascioliasis, and Clonorchiasis. These diseases are typically contracted through contact with contaminated water or the consumption of undercooked, infected meat.
Treatment and Prevention
Treatment for diseases caused by Digenea typically involves the use of antiparasitic drugs, such as Praziquantel. Prevention strategies include proper cooking of food, avoiding contact with contaminated water, and controlling intermediate host populations.
Related Terms
- Trematoda: The subclass to which Digenea belongs.
- Cercaria: The free-swimming larval stage of Digenea.
- Miracidium: The first larval stage of Digenea.
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