a star-shaped sponge spicule having pointed rays radiating from a single point.
| 单词 | θ31911 |
| 释义 | the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > having rays (14) oxyaster1886 a star-shaped sponge spicule having pointed rays radiating from a single point. polyaxon1887 (a) adj. (of a sponge spicule) having more than six axes of growth; (b) n. a polyaxon sponge spicule. rhabd1890 A simple large sponge spicule in the form of a rod with two tapered ends (a diactine spicule). Also: (in more complex spicules) a main ray from… polyactine1902 a polyactinal sponge spicule. Subcategories:— at each end (1) — having two rays (1) — having three rays (2) — having four rays (2) — having six rays (4) |
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