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单词 suranal
释义

> as lemmas

suranal
suranal adj.
Brit. /səˈreɪnl/
,
/səːˈreɪnl/
,
U.S. /sərˈeɪn(ə)l/
Zoology = supra-anal adj. at supra- prefix 1a(a); also as n., a suranal plate.
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the world > animals > invertebrates > bodies or parts > [noun] > posterior segment
pygidium1846
suranal1906
opisthosoma1935
1906 J. B. Smith Explan. Terms Entomol. 135 Suranal, supra-anal.
1925 A. D. Imms Gen. Textbk. Entomol. 41 The tergum of the last segment, whatever its numerical designation may be, is frequently referred to as the suranal plate or pygidium.
1962 D. Nichols Echinoderms v. 66 In the urchin immediately after metamorphosis the whole of the aboral surface is covered by an apical disk of plates, consisting of a central suranal, through which the anus opens, a ring of five basals, [etc.].
extracted from sur-prefix
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as lemmas
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