例句
柯林斯高阶英汉双解学习词典释义
英英词典释义
  • Noun
    1. a closed sac that develops abnormally in some body structure
    2. a small anatomically normal sac or bladderlike structure (especially one containing fluid)
行业词典
  • 动物学: 包囊;
    医学: 囊肿:正常或异常的封闭腔或囊,内衬上皮,尤指含液体或半固体物质者;包囊:某些寄生虫生活周期之一个阶段,此时该虫被包于保护性囊壁中;例见hydatid c., multilocular c.和pseudocyst;
    生物学: 孢囊;
    药学: 囊肿;