| 单词 | pterygium |
| 释义 | pterygium [tǝ`rij·ē·ǝm] MEDICINE 1. A triangular mass of mucous membrane growing on the conjunctiva, usually near the inner canthus. 2. Overgrowth of the cuticle forward on the nail. VERTEBRATE ZOOLOGY A generalized vertebrate limb. |
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