1) Echinococcosis 2) Hydatid disease 3) Infestation 1) Echinococcosis 
A tissue infection by the larval stage of the Echinococcus granulosus worm. This disease is common in South America, the Middle East, Asia and Africa. Sporadic cases have been reported in the us. Infection occurs after ingestion of eggs in infected dog faeces. The infection is carried to the liver where cysts form. Cysts may also form in the lungs,...
(hi″dә-tĭ-do´sis) hydatid disease.
Type: Term Pronunciation: hī′da-ti-dō′sis Definitions: 1. The morbid state caused by the presence of hydatid cysts.
Cysts found in the body cavity of sheep.
hydatidosis The diseased state caused by the presence of hydatid cysts.