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

History and Etymology for Polystoma

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

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