metanephros defined in 1951 yearmetanephros - metanephros;
metanephros - Part of kidney of amniote vertebrates which arises in embryonic development later than, and posterior to, meso-nephros, one on each side. Acquires special duct, ureter, which grows into it from the original pronephric duct. Functional kidney of late embryo and adult. See also: Pronephros, Renal Portal System.
near metanephros in Knolik
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