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单词 radial canal
释义 radial canal
noun
1. : one of the numerous minute canals lined with choanocytes which radiate from the paragastric cavity in some sponges and end just below the surface of the sponge
2. : one of the canals extending through the substance of the umbrella from the gastric cavity to the marginal circular canal in jellyfishes
3. : a tube extending outward along each ambulacral area from the circumoral canal in most echinoderms
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更新时间:2026/6/10 15:58:10