The<unk>  (genus Enterobius), also known as threadworm (in the United Kingdom and Australia) or seatworm, is a parasitic worm.  It is a nematode (roundworm) and a common intestinal parasite or helminth, especially in humans. The medical condition associated with<unk>  infestation is known as enterobiasis (a type of helminthiasis) or less precisely as oxyuriasis in reference to the family Oxyuridae.
Throughout this article, the word<unk> " refers to Enterobius. In British usage, however,<unk>  refers to Strongyloides, while Enterobius is called threadworm.
Pinworm
Hookworm
Ringworm
Flea
Arthropod
Slug
Medicinal leech
Apex predator