Vagina develops from:: (A) Mesonephric duct, (B) Genital tubercle, (C) Urogenital sinus, (D) None of the above
Answer is C. Ans. a) Urogenital sinus Ref Novak's 14th ed Pg 100Vagina forms in the 3rd month of embryonic life.Superior part of vagina from - paramesonephric ductInferior part of vagina from - sinovaginal bulb on the posterior wall of urogenital sinus.Sex is not apparent until about 12th week of embryonic life.