The sinovaginal bulb is a transitional structure in the development of female genitalia, and is one of a pair of endodermal outgrowths of the urogenital sinus, which later fuse to form the lower part of the vagina. The lower third of the vagina is derived from the urogenital sinus.
The hymen is formed from the same tissue as the sinovaginal bulb.
References
- ^ "ohsu2015 - 10.5.11 - Embryology of the External Genitalia". ohsu2015.wikispaces.com. Retrieved 2015-02-11.
- "sinovaginal bulb". medicine.academic.ru. Retrieved 2015-02-11.
- "Androgens and the Development of the Vagina". biolreprod.org. Retrieved 2015-02-11.
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