ˌ ̷ ̷ ̷ ̷ˈneˌfräs noun
also meta·neph·ron -ˌfrän
( plural metaneph·roi -ˌfrȯi ; also metaneph·ra -_frə)
Etymology: New Latin, from meta- situated behind (from Greek meta after) + -nephros — more at meta-
: one of the posterior of the three pairs of embryonic renal organs developed in higher vertebrates persisting in the adult as the definitive kidney — compare mesonephros