Echinococcus granulosus
Echinococcus granulosus
Echinococcus granulosus, pronounced as /ˌɛkɪnoʊˈkɒkəs ˌɡrænjʊˈloʊsəs/, is a small tapeworm species that is part of the Echinococcus genus. The etymology of the term is derived from the Greek words "echinos," meaning hedgehog, and "kokkos," meaning berry. This is in reference to the spherical shape of the parasite's cysts, which resemble small berries.
Echinococcus granulosus is the causative agent of a disease known as Cystic echinococcosis or hydatid disease. This disease is a type of helminthiasis, which is a general term for diseases caused by parasitic worms.
The lifecycle of Echinococcus granulosus involves two hosts. The definitive host, where the adult worm resides, is typically a canid, such as a dog. The intermediate host, where the larval stages develop, can be a variety of mammals, including humans.
In humans, infection with Echinococcus granulosus can lead to the formation of hydatid cysts in various organs, most commonly the liver and lungs. These cysts can cause a range of symptoms, from mild discomfort to severe, life-threatening complications.
The diagnosis of cystic echinococcosis is typically made through imaging studies, such as ultrasound or CT scan, and can be confirmed through serological testing. Treatment options include surgery, drug therapy, and in some cases, watchful waiting.
Related terms include Echinococcosis, Alveolar echinococcosis, and Polycystic echinococcosis, which are other diseases caused by different species of the Echinococcus genus.
External links
- Medical encyclopedia article on Echinococcus granulosus
- Wikipedia's article - Echinococcus granulosus
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