Spicule

[spikju:l]

解释:

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

埃斯蒂斯整理--From WordNet

解释:

(n.) A minute, slender granule, or point.

(n.) Same as Spicula.

(n.) Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria.

整理:莱缪尔