from
The Collaborative International Dictionary of English v.0.48
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]
from
The Collaborative International Dictionary of English v.0.48
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]