名詞 pterygium:

1. either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula

pte.ryg.i.um

n.（名詞）
【復數(shù)】 pte.ryg.i.ums 或 pte.ryg.i.a [-ô-…]
An abnormal mass of tissue arising from the conjunctiva of the inner corner of the eye that obstructs vision by growing over the cornea.
翼狀胬肉：從眼睛內角的結膜生出一塊不正常的塊狀組織，往角膜上生長時引起視覺障礙

來源：
New Latin
現(xiàn)代拉丁語
from Greek pterugion
源自 希臘語 pterugion
diminutive of pterux pterug- [wing] * see pterygoid
pterux的小后綴 pterug- [翅膀] *參見 pterygoid

【引伸】
pteryg.ial