spicula
針狀體,骨針
Spic·u·la n.; pl. Spiculae Bot. (a) A little spike; a spikelet. (b) A pointed fleshy appendage.
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Spic·u·lum n.; pl. Spicula Zool. Same as Spicule.
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spiculum
n : small pointed structure serving as a skeletal element in
various marine and freshwater invertebrates e.g. sponges
and corals [syn: spicule]
[also: spicula (pl)]