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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