<prompt> Development of the urinary bladder is from?Urogenital SinusParamesonephric DuctMetanephric BlastemaProctodaeum  <response>: Ans. is a i.e., Urogenital SinusThe urinary bladder except trigone is derived from vesicourethral canal, cranial pa of urogenital sinus endodermal.Trigone is derived from absorbed pa of Wolffian ductmesonephric duct mesodermal. 