Gynaecology & Obstetrics General 574ade4c The Hymen is the membranous vestige of junction between A Sinovaginal bulbs and urogenital sinus B Cloaca and mullerian duct C Mullerian duct and urogenital sinus D Mullerian duct and sinovaginal bulbs High-Yield Explanation Hymen is the Partition between sino vaginal bulbs and urogenital sinus.