The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development of them can also be described together as the development of the urinary and reproductive organs.
The reproductive organs are developed from the intermediate mesoderm. The permanent organs of the adult are preceded by a set of structures which are purely embryonic, and which with the exception of the ducts disappear almost entirely before the end of fetal life. These embryonic structures are the Wolffian and Müllerian ducts, also known as mesonephric and paramesonephric ducts, respectively. The Wolffian duct remains as the duct in males, and the Müllerian as that of the female.
Read more about Development Of The Reproductive System: The Müllerian (paramesonephric) Duct, Gonads, Division of Cloaca, The Prostate, External Genitalia, Diagram of Internal Differentiation
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