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In females, the paramesonephric ducts give rise to the uterine tubes, uterus, and upper portion of the vagina, while the mesonephric ducts degenerate due to the absence of male androgens. In contrast, the paramesonephric ducts begin to proliferate and differentiate in a cranial-caudal progression to form the aforementioned structures.
Paramesonephric ducts (Müllerian ducts) Fallopian tube: Appendix testis: Uterus, cervix, vagina [1] Prostatic utricle: Mesonephric ducts (Wolffian ducts) Epoophoron: Epididymis: Gartner's duct: Vas deferens: Seminal vesicle: Mesonephric tubules: Paroophoron: Paradidymis: Urogenital sinus: Skene's glands [2] Prostate: Bladder, urethra: Bladder ...
In the female, the paramesonephric ducts persist and undergo further development. The portions which lie in the genital cord [citation needed] fuse to form the uterus and vagina. This fusion of the paramesonephric ducts begins in the third month, and the septum formed by their fused medial walls disappears from below upward.
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In the mature male, the function of this system is to store and mature sperm, and provide accessory semen fluid.The mesonephric duct (precursor of the male reproductive system) forms around the 3-4th week of pregnancy, present before the paramesonephric duct (precursor of the female reproductive system).
The term vagina is from Latin vāgīna, meaning "sheath" or "scabbard". [1] The vagina may also be referred to as the birth canal in the context of pregnancy and childbirth. [2] [3] Although by its dictionary and anatomical definitions, the term vagina refers exclusively to the specific internal structure, it is colloquially used to refer to the vulva or to both the vagina and vulva.
The condition occurs in males and consists of normal-functioning reproductive organs and gonads, but also female reproductive organs such as the uterus and the fallopian tubes. The fetus has two sets of tubes which give rise to accessory reproductive organs - the (Wolffian) mesonephric ducts and the (Müllerian) paramesonephric ducts. Usually ...
The Müllerian ducts are also referred to as paramesonephric ducts, referring to ducts next to (para) the mesonephric (Wolffian) duct during foetal development. Paramesonephric ducts are paired ducts derived from the embryo, and for females develop into the uterus, uterine tubes, cervix and upper two-thirds of the vagina. [6]