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 Cenurus. 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 Mullerian duct.


© Webster 1913.

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