Zoology. A thin, flat, leaflike structure; esp. a gill filament in a fish or aquatic invertebrate (cf. gill leaf n. at gill, n.1 compounds 3).
| 单词 | θ19775 |
| 释义 | the world > life > biology > physical aspects or shapes > shape > [noun] > leaf-shaped (2) leaflet1826 Zoology. A thin, flat, leaflike structure; esp. a gill filament in a fish or aquatic invertebrate (cf. gill leaf n. at gill, n.1 compounds 3). phyllidium1890 Any of various small leaf-like structures in animals or plants; spec. (a) each of the lamellar folds of the mantle that act as gills in certain… |
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