The development of the kidney, the major excretory organ after birth, consists of 3 stages: the pronephros, mesonephros and metanephros.
脏
人体主要的排泄
，它的发育经过原、
、
3个阶段。
，排泄The development of the kidney, the major excretory organ after birth, consists of 3 stages: the pronephros, mesonephros and metanephros.
脏人体主要的排泄，它的发育经过原、、3个阶段。
Fluoride is a widely distributed nephrotoxin with exposure potentially resulting from environmental fluorine excess.Kidney is the main excretory organ of fluorine.
脏氟的主要排泄，
机体摄入过量氟超过的排泄能力时，组织细胞就会因处于高氟环境而受到损害。
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