hydatid

[ hahy-duh-tid ]

noun

1. a cyst with watery contents that is produced in humans and animals by a tapeworm in the larval state; cysticerus.
2. a cystic vestige of an embryonic feature.

adjective

1. Also hy·da·tid·i·nous []. of or relating to a hydatid.
2. containing or affected by hydatids.

hydatid

/ ˈhaɪdətɪd /

noun

1. a large bladder containing encysted larvae of the tapeworm Echinococcus: causes serious disease in man
2. Also calledhydatid cyst a sterile fluid-filled cyst produced in man and animals during infestation by Echinococcus larval forms

Word History and Origins

Origin of hydatid¹

1675–85; < Greek hydatid- (stem of hydatís ) watery vesicle

Word History and Origins

Origin of hydatid¹

C17: from Greek hudatis watery vesicle, from hudōr, hudat- water

Example Sentences

On examining the brain of sheep thus affected, what appears to be a watery bladder, called a hydatid, is found, which may be either small or of the size of a hen’s egg.

From Project Gutenberg

It occurs in connexion with recent pregnancy, and particularly with the variety of abortion termed hydatid mole.

From Project Gutenberg

As good a hold should be taken with the string as possible, and all the water should be allowed to flow out before any attempt is made to extract the remains of the hydatid.

From Project Gutenberg

In this malady, there is a loss of equilibrium between the nervous and muscular systems, which may arise from hydatids in the brain, offering mechanical obstructions to the conducting power of the nerves.

From Project Gutenberg

There were slight opacities in many parts of the tunica arachnoides; in the ventricles about four ounces of water were contained—some large hydatids were discovered on the plexus choroides of the right side.

From Project Gutenberg