<prompt> Vaginal wall is derived from ?EndodermMesodermEndoderm and mesodermEctoderm and mesoderm  <response>: Ans. is c i.e., Endoderm and mesoderm Vagina is derived from two sources :? Upper 23 : It is derived from Utero-Vaginal Canal, i.e. the fused pa of paramesonephric duct. Therefore, this pa is mesodermal in origin. Lower 13 : It is derived from sinovaginal bulb which inturn is derived from urogenital sinus. Thus, this pa is endodermal in origin. 