Oxyuris

Oxyuris

(ok'sē-yū'ris),
A genus of nematodes commonly called seatworms or pinworms (although the pinworm of humans is the closely related form, Enterobius vermicularis). Oxyuris equi, the horse pinworm, is a common parasite of horses in all parts of the world, inhabiting the large intestine.
[G. oxys, sharp, + oura, tail]

Oxyuris

/Oxy·uris/ (-ūr´is) a genus of intestinal nematodes (superfamily Oxyuroidea).

Ox·y·u·ris

(ok'sē-yū'ris)
A genus of nematodes commonly called seatworms or pinworms (although the pinworm of humans is the closely related form, Enterobius vermicularis).
[G. oxys, sharp, + oura, tail]

Oxyuris

a genus of nematodes in the family Oxyuridae. Occupants of the large intestine; the females have long, tapering tails. Includes O. equi (horse), O. karamoja (rhinoceros), O. poculum (horse), O. tenuicorda (Burchell's zebra—Equus burchelli).