noun
Metagonimus yokogawai (intestinal fluke)
A species of trematode parasite that infects the small intestine of humans and other mammals, typically acquired by eating raw or undercooked freshwater fish.
横川吸虫は淡水魚の生食によって感染する寄生虫です。
Metagonimus yokogawai is a parasite transmitted by eating raw freshwater fish.
Named after the Yokogawa River (横川) where the parasite was first discovered, combined with 吸虫 (fluke).