Trigone of bladder is derived from -: (A) Mesonephric duct, (B) Paramesonephric duct, (C) Absorbed anal membrane, (D) Mullerian duct
Answer is A. Ans. is 'a' i.e., Mesonephric duct o The urinary bladder (except trigone) is derived from vesicourethral canaL cranial part of urogenital sinus (endodermal).o Trigone is derived from Absorbed part of Wolffian duct/mesonephrk duct (mesodermal).