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hydatid n. 包蟲,水泡 包蟲,水泡 hydatid n 1: cyst filled with liquid; forms as a result of infestation by tapeworm larvae ( as in echinococcosis) Hydatid \ Hy" da* tid\, n. [ Gr. ?, ?, a watery vesicle under the upper eyelid, fr. " y` dwr, " y` datos, water: cf. F. hydatide.] ( Zool.) A membranous sac or bladder filled with a pellucid fluid, found in various parts of the bodies of animals, but unconnected with the tissues. It is usually formed by parasitic worms, esp. by larval tapeworms, as Echinococcus and C[ oe] nurus. See these words in the Vocabulary. [ 1913 Webster] { Hydatid of Morgagni} ( Anat.), one of the small pedunculated bodies found between the testicle and the head of the epididymis, and supposed to be a remnant of the M[" u] llerian duct. [ 1913 Webster]
Cysticerce \ Cys" ti* cerce\ ( s? s" t?- s? rs), Cysticercus\ Cys` ti* cer" cus\ (- s? r" k? s), n. [ NL. cysticercus, fr. Gr. ???? bladder ke` rkos tail: cf. F. cysticerque.] ( Zool.) The larval form of a tapeworm, having the head and neck of a tapeworm attached to a saclike body filled with fluid; -- called also { bladder worm}, { hydatid}, and { measle} ( as, pork measle). [ 1913 Webster] Note: These larvae live in the tissues of various living animals, and, when swallowed by a suitable carnivorous animal, develop into adult tapeworms in the intestine. See { Measles}, 4, { Tapeworm}. [ 1913 Webster]
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