Propterygium

[prɒptə'rɪdʒjəm]

解释:

(n.) The anterior of three principal cartilages in the fins of some fishes.

阿曼德录入

解释:

n. the anterior basal cartilage of the fins in the Elasmobranchii:—pl. Proptery′gia.—adj. Proptery′gial.

录入:莱斯特