A genus of digenetic trematodes inhabiting the bile ducts and gallbladder of herbivores. The species Dicrocoelium dentriticum (lancet fluke) is rarely found in humans but is an important parasite of sheep in some localities.
[G. dikroos, forked, + koilia, belly]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.