Definition

1. Noun:
   • A cyst filled with fluid: A pathological sac or vesicle containing a clear, watery liquid.
   • A parasitic cyst: Specifically, a cyst that forms as a result of an infestation by the larval stage of a tapeworm, such as in the disease echinococcosis.

Examples of Usage

• Noun:
  • The ultrasound revealed a large hydatid in the patient's liver.
  • Surgical removal is often necessary for a symptomatic hydatid cyst.
  • Echinococcosis is characterized by the development of hydatids in internal organs.

Advanced Usage

• Medical Terminology: The term is almost exclusively used in medical and parasitological contexts to describe the larval cyst of tapeworms of the genus .
  • The diagnosis was confirmed by identifying protoscoleces from the aspirated hydatid fluid.

Variants and Related Words

• Hydatid disease: Another term for echinococcosis, the illness caused by the growth of hydatid cysts.
  • Hydatid disease is a zoonotic infection common in sheep-raising areas.
• Hydatidiform (adj): Resembling a hydatid or a bunch of grapes; often used in "hydatidiform mole," a type of abnormal growth in the uterus.
  • A hydatidiform mole is a complication of pregnancy.

Synonyms

• Cyst: A general term for a closed sac-like structure.
• Larval cyst: A more descriptive term specifying the developmental stage.
• Echinococcal cyst: A precise synonym indicating the causative parasite.

Related Phrases (Phrasal Verbs)

Not applicable for this highly specific medical noun.

Related Idioms

Not applicable for this highly specific medical noun.

Noun

1. cyst filled with liquid; forms as a result of infestation by tapeworm larvae (as in echinococcosis)