Echinococcus n. : A parasite of man and of many domestic and wild animals, forming compound cysts or tumors (called hydatid cysts) in various organs, but especially in the liver and lungs, which often cause death. It is the larval stage of the Taenia echinococcus, a small tapeworm peculiar to the dog.

Example:
how can i find a surgeon that preform a surgery on Echinococcus?

Taxonomy
Echinococcus, cysts, free encyclopedia, humans, species, echinococcosis, intermediate hosts, tapeworms, family Taeniidae, adult, intestine, eggs, infected, intermediate host, brain, organ, search, Kingdom.

Defination from the web:
Echinococcus includes six species of cyclophyllid tapeworms to date, of the family Taeniidae. Infection with Echinococcus results in hydatid disease, also known as echinococcosis. In humans, this causes a disease called echinococcosis. ...