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单词 cyst
释义 cyst
 /sist/,  n.  
  1.  Pathol.   a closed, bladderlike sac formed in animal tissues, containing fluid or semifluid matter.
  2. a bladder, sac, or vesicle.
  3.  Bot.  ,  Mycol.  
   a. a sporelike cell with a resistant, protective wall.
   b. a cell or cavity enclosing reproductive bodies.
  4.  Zool.  
   a. a sac, usually spherical, surrounding an animal that has passed into a dormant condition.
   b. such a sac plus the contained animal.
   c. a capsule or resistant covering.
 [1705-15; < NL cystis < Gk kýstis bag, pouch, the bladder; akin to kyma CYMA]
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更新时间:2025/2/2 14:19:44