| 单词 | gill fissure |
| 释义 | > as lemmasgill fissure gill fissure n. = gill slit n. ΚΠ 1857 Proc. Amer. Acad. Arts & Sci. 1852–7 3 65 The gill fissures are usually in advance of the pectorals. 1904 J. McCabe tr. E. Haeckel Wonders of Life x. 288 In these [sc. the enteropneusts] the fore-gut or head-gut is converted into a gill-organ, the wall of which is pierced with gill-fissures. 2008 Gene Expression Patterns 8 513/1 40 somites, brain, stomach, gut, kidney ducts and the first gill fissure are already formed. < as lemmas |
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