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单词 interambulacrum
释义 interambulacrum Zool.|-ˈeɪkrəm|
Pl. -acra.
[inter- 3.]
One of the imperforate plates occupying the intervals of the ambulacra or perforate plates in the shells of echinoderms. Hence interambuˈlacral a., of or pertaining to interambulacra; situated between ambulacra.
1870Rolleston Anim. Life 225 Quadrangular reticulations, formed by the ‘interambulacral’ ossicles.1877Huxley Anat. Inv. Anim. ix. 569 Two series of interambulacral plates, those in the middle of each interambulacrum being hexagonal.
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更新时间:2024/11/10 0:13:37