spicula

汉语翻译

n. 针状体, 尖状晶体, 骨针
【医】 针, 刺; 交合刺

英语解释

名词 spiculum:

small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals同义词：spicule, spiculum