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a genus of minute crustaceans, species of which act as hosts of Diphyllobothrium and Dracunculus.
A congenital defect in which the two orbits are united to form a single cavity containing one eye, which typically results from union of the right and left optic primordia, usually combined with holoprosencephaly or cyclencephaly.
[G. Kyklōps, fr. kyklos, circle, + ōps, eye]