| 单词 | polyp |
| 释义 | polyp [`päl·ǝp] INVERTEBRATE ZOOLOGY A sessile cnidarian individual having a hollow, somewhat cylindrical body, attached at one end, with a mouth surrounded by tentacles at the free end; may be solitary (hydra) or colonial (coral). MEDICINE A smooth, rounded or oval mass projecting from a membrane- covered surface. |
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