<prompt> The embryonic development of the vestibule of the vagina is from which of the following developmental structures?Genital ridgeWolffian ductUrogenital sinusMullerian duct  <response>: Clitoris develops from three swellings of the somato-pleurae known as genital tubercle, urogenital folds and labioscrotal folds, while urethra, vestibule and lower vagina are derived from the urogenital sinus. 