| 单词 | vesicle |
| 释义 | vesicle /ves"i keuhl/, n. 1. a small sac or cyst. 2. Biol. a small bladderlike cavity, esp. one filled with fluid. 3. Pathol. a circumscribed elevation of the epidermis containing serous fluid; blister. 4. Geol. a small, usually spherical cavity in a rock or mineral, formed by expansion of a gas or vapor before the enclosing body solidified. [1570-80; < L vesicula little bladder. See VESICA, -ULE] |
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