noun
Trichinella spiralis; pork worm
A parasitic nematode causing trichinosis; primarily a medical/biological term.
旋毛虫は豚肉を生で食べることで感染することがある。
Trichinella spiralis can be contracted by eating raw pork.
From 旋毛 (whorl of hair) + 虫 (worm), referring to the coiled appearance of the parasite.