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Polystoma

noun
Po·​lys·​to·​ma | \ pəˈlistəmə\

Definition of Polystoma

: a genus (the type of the family Polystomatidae) of monogenetic trematode worms including several species that occur in the urinary bladder of batrachians

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History and Etymology for Polystoma

New Latin, from Greek polystomos many mouthed, from poly- + -stomos -stomous

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