Definition: the giant thorny-headed worm of the pig, approximately the size of the giant roundworm (Ascaris); it inhabits the intestinal tract where nodules develop at the site of penetration of the spiny proboscis of each worm; it has occasionally been reported in humans; transmission is by ingestion of infected insects, frequently dung beetles or cockroaches that have fed on feces of infected pigs containing viable eggs and have then developed the cystacanth stage infective to the vertebrate host, including humans.
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Examples: glitazone, GI cocktail, etc.