刺し胞ほう嚢のう

noun

cnidosac; cnidocystic sac

Specialized zoological term for a sac containing nematocysts, found in certain sea slugs (nudibranchs) that sequester stinging cells from their prey.

• ウミウシの刺し胞ほう嚢のうは、食たべたヒドロ虫むしから取とり込こんだ刺し胞ほうを蓄たくわえている。

  The nudibranch's cnidosac stores nematocysts taken from the hydroids it eats.