Nephron Number is Variable and Declines with Age

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Unilateral Renal Hypoplasia

Renal Dysplasia



Hypoplasia and Dysplasia Account for 50% of Abdominal Masses of the Newborn
(Prevalence 0.5% of all Pregnancies)

Kidney Development<<>>Urological Development

Concepts

The Central Mechanism of Kidney Development is
the Conversion of
Mesenchyme into Epithelia

The Intermediate Mesoderm
“TheCord”

Wolffian Duct Forms in One Day

How Does the Wolffian Duct Form So Quickly?

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How Does the Wolffian Duct Form So Quickly?

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Concepts

Wolffian Duct>>?

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Concepts

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Reciprocal Induction

Reciprocal Induction

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Concepts

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RET

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Two Pathways to Form Epithelia
in the Metanephric Kidney

Concepts

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Kidney Development<<>>Urological Development

Concepts

Epithelia