metanephros definition

  • noun:
    • The third and last excretory organ that develops in a vertebrate embryo. In birds, reptiles, and mammals it replaces the mesonephros since the practical excretory organ and develops into the person renal.
    • more posterior for the three pairs of embryonic renal organs developed in several vertebrates.
    • probably the most posterior associated with three pairs of embryonic renal organs developed in several vertebrates.
    • Same as metanephron.

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