| 单词 |
sterraster |
| 释义 |
sterraster Zool.|stəˈræstə(r)| [f. Gr. στερρ-ός stiff, solid + ἀστήρ star.] A stellate sponge-spicule having very numerous rays soldered together for the greater part of their length.
1887Sollas in Encycl. Brit. XXII. 417/2 Connective tissue fibres by which adjacent sterrasters are united together. 1888― in Challenger Rep. XXV. p. lxiv. Hence steˈrrastral a., pertaining to, or composed of, sterrasters.
1888Sollas in Challenger Rep. XXV. p. cxliv, Thus a strong tough composite sclerose and fibrous layer results, which we shall term the ‘sterrastral layer’. 1900Proc. Zool. Soc. 130 When a bud is detached, a shallow circular depression remains, the sterrastral crust here being thin. |

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