<prompt> Vestibule of the vagina develops from?Genital ridgeWolffian ductUrogenital sinusMullerian duct  <response>: ANSWER: C Urogenital sinusREF: Current OBGYN Chapter 4. Embryology of the Urogenital System Congenital Anomalies of the Female Genital TractRepeat from June 2009See APPENDIX-5 below for ADULT DERIVATIVES AND VESTIGIAL REMAINS OF EMBRYONIC UROGENITAL STRUCTURESThe urogenital sinus persists as the vestibule of the vagina, and the two genital folds form the labia minora APPENDIX - 5Adult Derivatives and Vestigial Remains of Embryonic Urogenital StructuresEmbryonic StructureMaleFemaleGonadal RidgeCortexMedullaTestisSeminiferous tubules Rete testisOvaryOvarian folliclesMedullaRete ovariiGubernaculumGubernaculum testisOvarian ligamentRound ligament of uterusMesonephric tubulesDuctus efferentesParadidymisEpoophoronParoophoronMesonephric ductAppendix of epididymisDuctus epididymidisDuctus deferensUreter, pelvis, calices, and collecting tubulesEjaculatory duct and seminal vesicleAppendix vesiculosa Duct of epoophoron Duct of GartnerUreter, pelvis, calices, and collecting tubulesParamesonephric duct Mullerian ductAppendix of testisHydatid of MorgagniUterine tubeUterusUpper VaginaUrogenital sinusUrinary bladderUrethra except glandular portionProstatic utricleProstate glandBulboureth rod glandsUrinary bladder UrethraLower Vagina from sinovaginal bulbUrethral and paraurethral glandsGreater vestibular glandsVestibule of vaginaMullerian tubercleSeminal colliculusHymenGenital tuberclePenisGians penisCorpora cavernosa penisCorpus spongiosumClitorisGians clitoridisCorpora cavernosa clitoridisBulb of the vestibuleUrogenital foldsVentral aspect of penisLabia minoraLabioscrotal swellingsScrotumLabia majora 