| 单词 | wing-bud |
| 释义 | > as lemmaswing-bud wing-bud n. in insect larvæ, a histoblast from which the wings develop. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > young or development of young > larva > parts of > wing-bud wing-bud1917 1917 R. J. Tillyard Biol. Dragonflies iii. 47 The wing-bud is simply an ectodermal evagination, in the form of a small bag lined internally with hydoderm cells, and externally with the cuticle. 1969 R. F. Chapman Insects xxi. 407 A progressive development of the wing buds occurs at each moult. < as lemmas |
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