| 单词 | wheel-spicule |
| 释义 | > as lemmaswheel-spicule wheel-spicule n. Zoology one of certain disk-shaped calcareous concretions, with an appearance of radiating spokes, in the skin of some holothurians; also, a wheel-shaped spicule in sponges. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > wheel-shaped amphidisc1867 wheel-spicule1877 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Holothurioidea > member of (sea-cucumber) > parts of > calcareous formation in integument rotula1858 wheel-spicule1877 rotule1882 1877 Encycl. Brit. VII. 639/2 Wheel-spicule of Chirodota vitiensis. < as lemmas |
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