单词	opisthonephros
释义	opisthonephros noun opis·​tho·​neph·​ros plural opisthonephroi -ˌfrȯi : the adult kidney of animals (as some amphibians) that are commonly considered mesonephric as adults, resembling but not identical to the embryonic mesonephros Word History Etymology New Latin, from opisth- + Greek nephros kidney
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