spicule

英 ['spɪkjuːl]
  • n. 针状体;[无脊椎] 骨针;小穗状花序

英英释义


1. small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals

英文词源


spicule (n.)
1785, from French spicule, from Latin spiculum, diminutive of spica (see spike (n.2)). Related: Spicular.