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单词 pleiotrachea
释义

> as lemmas

pleiotrachea
pleiotrachea n. Botany Obsolete a tracheal element with a helical band composed of a number of fibres.
ΚΠ
1849 J. H. Balfour Man. Bot. i. i. 15 Sometimes numerous fibres, varying from two to more than twenty, are united together, assuming the aspect of a broad ribband,..and constituting Pleiotracheæ.
1876 Encycl. Brit. IV. 86/1 The spiral in such cases is called compound, and the vessels pleiotracheæ.
extracted from pleio-comb. form
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as lemmas
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更新时间:2024/12/24 22:13:16