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[Old English flōc, flatfish]
A parasitic worm belonging to the class Trematoda, phylum Platyhelminthes. Those parasitic in humans belong to the order Digenea. Most flukes have complex life cycles including asexual reproductive forms that live in a mollusc (snail or bivalve). Stages of a typical fluke include adult, egg, miracidium, sporocyst, redia, cercaria, and metacercaria.
SEE: Platyhelminthes; SEE: Trematoda

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