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trematode trem·a·tode (trěm'ə-tōd')
Any of numerous flatworms of the class Trematoda. Also called fluke1.
Any of numerous parasitic flatworms of the class Trematoda, having a thick outer cuticle and one or more suckers or hooks for attaching to host tissue. Flatworms include both external and internal parasites of animal hosts, and some cause diseases of humans in tropical regions, such as schistosomiasis. Liver flukes, blood flukes, and planarians are flatworms. Also called fluke.