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The Müllerian ducts (or paramesonephric ducts) are paired ducts of mesodermal origin in the embryo. They run laterally down the side of the urogenital ridge and terminate at the mullerian eminence in the primitive urogenital sinus.
In the female, they will develop to form the fallopian tubes, uterus, and the upper portion of the vagina; in the male, they regress.
They are named after Johannes Peter Müller, a physiologist who described these ducts in his text "Bildungsgeschichte der Genitalien" in 1830.
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