hydatid definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a cyst containing watery fluid and the larvae of certain tapeworms (esp. genus Echinococcus), found in the body tissue, esp. the liver, of many animals
Origin: Classical Greek hydatis (gen. hydatidos), watery vesicle ; from base of hydōr, water
of or like such a cyst
hydatid definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A cyst formed as a result of infestation by larvae of the tapeworm Echinococcus granulosus.
- The encysted larva of E. granulosus.
Origin: Greek hudatis, hudatid-, watery vesicle, from hudōr, hudat-, water; see wed-1 in Indo-European roots.
hydatid - Medical Definition
- A hydatid cyst.
- The encysted larva of Echinococcus granulosus.
- An abnormal vascular structure that is usually filled with fluid.