Medical Dictionary

Lymnaea

noun Lym·naea \lim-ˈnē-ə, ˈlim-nē-ə\

Medical Definition of LYMNAEA

:  a genus of snails formerly almost coextensive with the family Lymnaeidae but now comprising comparatively few species of dextrally coiled freshwater snails that include some medically important intermediate hosts of flukes—compare fossaria, galba

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