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1. |
Epithelialization
of the pronephros and then the duct are the
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first evidence
of mesenchymal to epithelial
conversion.
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2. |
The duct is
absolutely required for urogenital system. In fact,
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the first
experiment in urogenital development was by
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Boyden
(1927)-interruption the cord and blocked the
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formation of the
kidney.
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3. |
It forms in 24
hours -- novel mechanisms.
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