nematocyst; cnidocyte; cnida
Zoological term for the stinging cell or organelle found in cnidarians (jellyfish, sea anemones, etc.).
クラゲの触手には刺胞が密集している。
Nematocysts are densely packed in the tentacles of jellyfish.
刺胞は刺胞動物に特有の細胞小器官で
Cnidae are organelles unique to cnidarians.
cnidosac; cnidocystic sac
cnidarian
Compound of 刺 (し, 'sting') and 胞 (ほう, 'sac' or 'cell'), referring to the stinging capsule characteristic of cnidarians. The exact historical derivation is uncertain, but the term is a modern scientific coinage.