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metanephros Definition

meta·neph·ros (met′ə nef′räs′)

noun pl. -·roi′-ro̵i′

the excretory organ lying behind the mesonephros in an embryo, which in mammals, reptiles, and birds develops into the permanent, or adult, kidney

Etymology: ModL < meta- + Gr nephros, kidney: see nephro-

metanephros Related Forms
met′a·neph′·ric adjective