hydatid cyst defined in 1951 yearhydatid cyst - hydatid cyst;
hydatid cyst - A cyst formed by larva (cysticercus stage) of certain tapeworms in, e.g. sheep, man. Consists of a fluid-filled sac which may be large enough to hold a gallon. Contains innumerable larval heads each of which if swallowed by a dog may produce a tapeworm.
near hydatid cyst in Knolik
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