hydatid cyst n.
A cyst formed as a result of infestation by larvae of the tapeworm Echinococcus granulosus. Also called echinococcus cyst.
- Hydatid disease
hydatid disease n. An infection, usually of the liver or the lungs, with the larvae of an Echinococcus tapeworm, and characterized by the formation of hydatid cysts.
- Hydatid fremitus
hydatid fremitus n. See hydatid thrill.
hydatidiform hy·da·tid·i·form (hī’də-tĭd’ə-fôrm’) adj. Having the form or appearance of a hydatid.
- Hydatidiform mole
hydatidiform mole n. A vesicular or polycystic placental mass resulting from the proliferation of the trophoblast and the hydropic degeneration and avascularity of the chorionic villi, usually indicative of an abnormal pregnancy. Also called mole4.