The development of the kidney, the major excretory organ after birth, consists of 3 stages: the pronephros, mesonephros and metanephros.
肾脏是
体
排泄器官，它发育
原肾、中肾、后肾3个阶段。
The development of the kidney, the major excretory organ after birth, consists of 3 stages: the pronephros, mesonephros and metanephros.
肾脏是体排泄器官，它发育原肾、中肾、后肾3个阶段。
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