| 单词 |
mesopterygium |
| 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. |
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