| 释义 |
‖ mesopterygium Ichthyol.|ˌmɛsəʊptəˈrɪdʒɪəm|
[mod.L., f. Gr. µέσο-ς middle + πτερύγιον fin, dim. of πτέρυξ wing.]
The central flat cartilaginous portion of the fin in certain fishes.
1878Mivart in Nature 18 July 309/2 Three basal cartilages..called respectively the Propterygium, the Mesopterygium, and the Metapterygium.
Hence mesopteˈrygial a., pertaining to the mesopterygium.
In recent Dicts. |