| 单词 | foot tubercle |
| 释义 | > as lemmasfoot tubercle foot tubercle n. Zoology (a) a parapodium of an annelid (now rare or disused); (b) any of the protuberances present on the undersurface of the foot of a frog, toad, or other amphibian. ΚΠ 1865 Proc. Lit. & Philos. Soc. Manch. 4 177 (note) He [sc. Professor Huxley] proposes, after Milne Edwards, that the rings shall be called somites, the head prestomium, central antenna prestomial tentacle.., foot tubercle parapodium. 1902 Crown Encycl. V. 2713/1 From the sides of each [segment] certain processes termed ‘parapodia’ or ‘foot tubercles’. 1906 M. C. Dickerson Frog Bk. 90 The foot is smaller and more slender than that of the American toad, and the foot tubercles are correspondingly smaller. 1966 R. C. Stebbins Field Guide Western Reptiles & Amphibians vi. 33 Northwestern Salamander has parotoid glands, a glandular ridge on the tail, and lacks foot tubercles. < as lemmas |
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