roundworm; Ascaris lumbricoides
Refers specifically to the parasitic roundworm Ascaris lumbricoides, a common intestinal parasite.
Roundworm infections are common in areas with poor sanitation.
I remember being tested for roundworms when I was a child.
蟯虫 is the pinworm (Enterobius vermicularis), another common intestinal parasite, but a different species from 回虫.
ascariasis; roundworm disease
Standard kanji spelling for roundworm.
Alternate kanji form using the less common 蛔 character.
Katakana spelling, often used in medical or biological contexts.
The spelling 回虫 arose as a simplified substitute for 蛔虫, in which 蛔 specifically denotes an intestinal roundworm.