In sponges: a needle-shaped spicule which is rounded at both ends. Contrasted with oxea, n.
| 单词 | θ31921 | 
| 释义 | the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > 			[noun]		 > member of > parts of > sponge spicule > rhabdus (7)		 strongyle1886 In sponges: a needle-shaped spicule which is rounded at both ends. Contrasted with oxea, n. rhabdus1887 Zoology. = rhabd, n. Now rare. Subcategories:— 			types of			(3)		 — 			shaft of			(1)		 — 			branching arms of			(1)		 | 
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