noun
tetrodotoxin
A potent neurotoxin found in pufferfish (fugu) and some other marine animals. Technical term used in biology, toxicology, and food safety contexts.
フグの肝臓にはテトロドトキシンが含まれている。
The liver of pufferfish contains tetrodotoxin.
From English 'tetrodotoxin', derived from Tetraodontidae (the pufferfish family) + toxin.