Pas·sal·u·rus am·big·u·us(pa-sal'yū-rŭs am-big'yū-ŭs),
The rabbit pinworm, an oxyurid nematode found abundantly in the cecum and large intestine of rabbits.
a genus of nematodes in the family Oxyuridae.
found in the cecum and colon of rabbits, hares and other lagomorphs. They appear to be harmless even in very large numbers.