| 单词 | pterygium |
| 释义 | pterygium —pterygial, adj. /teuh rij"ee euhm/, n. , pl. pterygiums, pterygia /-rij"ee euh/. Opthalm. an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision. [1650-60; < NL < Gk pterýgion little wing or fin, equiv. to pteryg- (s. of ptéryx) wing, fin + -ion dim. suffix] |
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