HYDATIDS
Noun
hydatids
plural of hydatid
Source: Wiktionary
HYDATID
Hy"da*tid, n. Etym: [Gr. "y`dwr, "y`datos, water: cf. F. hydatide.]
(Zoöl.)
Definition: 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 Coenurus. See these words in the
Vocabulary. 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 Müllerian duct.
Source: Webster’s Unabridged Dictionary 1913 Edition