cys·to·lith /ˈsɪstəˌlɪθ/
  膀胱結石; 膀胱石; 鐘乳體
  cys·to·lith /ˈsɪstəˌlɪθ/ 名詞
  膀胱結石,膀胱石
  Cys·to·lith n.
  1. Bot. A concretion of mineral matter within a leaf or other part of a plant.
  2. Med. A urinary calculus.
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  cystolith
       n : a calculus formed in the bladder [syn: bladder stone]