Medical dictionary. 2011.
hydatid disease — n a form of echinococcosis caused by the development of hydatids of a tapeworm of the genus Echinococcus (E. granulosus) in the tissues esp. of the liver or lungs of humans and some domestic animals (as sheep and dogs) * * * (hydatidosis,… … Medical dictionary
hydatid — 1. SYN: h. cyst. 2. A vesicular structure resembling an Echinococcus cyst. [G. hydatis, a drop of water, a hyatid] Morgagni h. SYN: vesicular appendages of epoophoron, under appendage. nonpedunculated h. SYN: appendix of … Medical dictionary
hydatid cyst — a cyst formed during the larval stage of tapeworms of species Echinococcus; it contains daughter cysts that contain many scoleces. There are two types, the alveolar or multilocular hydatid cyst and the unilocular hydatid cyst. Called also… … Medical dictionary
hydatid — n. a bladder like cyst formed in various human tissues following the growth of the larval stage of an Echinococcus tapeworm. E. granulosus produces a single large fluid filled cyst, called unilocular hydatid, which gives rise internally to… … The new mediacal dictionary
Echinococcus granulosus — a small tapeworm parasitic in dogs, wolves, and occasionally cats. Its larva may develop in nearly any mammal, forming unilocular hydatid cysts in the liver, lungs, kidneys, and other organs. See unilocular hydatid disease, under disease … Medical dictionary
Cyst — A closed sac or capsule, usually filled with fluid or semisolid material. * * * 1. A bladder. 2. An abnormal sac containing gas, fluid, or a semisolid material, with a membranous lining. SEE ALSO: pseudocyst. [G. kystis, bladder] adventitious c.… … Medical dictionary
Echinococcosis — Classification and external resources Echinococcus life cycle (click to enlarge) ICD 10 B … Wikipedia
Echinococcus — A tiny parasitic tapeworm. The larval stage of this tapeworm can cause human disease. There are three forms of Echinococcus that affect humans E. (Echinococcus) granulosus, E. multilocularis, and E. vogeli and each has a different geographic… … Medical dictionary
Echinococcosis — Parasitic disease caused by the larval stage of the tapeworm Echinococcus. There are three forms of Echinococcus that affect humans E. (Echinococcus) granulosus, E. multilocularis, and E. vogeli and each has a different geographic distribution… … Medical dictionary
Echinococcus multilocularis — a species whose adults usually parasitize foxes and wild rodents, although humans are sporadically infected. Its larvae form multilocular alveolar hydatid cysts rather than the more common unilocular cysts. See alveolar hydatid disease, under… … Medical dictionary
