释义 |
prop·ter·yg·i·um \ˌ ̷ ̷ ̷ ̷ˈrijēəm\ noun (plural propteryg·ia \-ēə\) Etymology: New Latin, from pro- (I) + Greek pterygion fin, literally, small wing — more at pterygium : the anterior of the three principal basal cartilages in the paired fins of some fishes (as sharks and rays) — compare basipterygium |