| 释义 |
radiole Zool.|ˈreɪdɪəʊl|
[f. L. radiolus, dim. of radius radius.]
One of the spines or prickles of a sea-urchin. Also radiole spine.
1929Encycl. Brit. VII. 900/2 Primarily radioles serve for protection, but the larger radioles may be used like stilts for locomotion or for digging. 1979Nature 8 Nov. 135/3 Differing feeding processes in echinoids were correlated with differing fine structure of their radiole spines. |