Definition of

Cyst

  1. (noun, state) a closed sac that develops abnormally in some body structure
  2. (noun, body) a small anatomically normal sac or bladderlike structure (especially one containing fluid)

via WordNet, Princeton University

Synonyms of Cyst

vesicle

Origin of the word Cyst

  1. 1713, from Mod.L. cystis, from Gk. kystis "bladder, pouch." more

via Online Etymology Dictionary, ©2001 Douglas Harper

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