<prompt> Bladder develops fromEctodermMesodermEndodermNeural crest cell  <response>: Ref Human embryology Inderbier singh 10 th edition Page no 292 The epithelium of urinary bladder devolep from cranial pa of vesicourethral canal endoderm. The epithelium trigone of baldder is absorbed from absorbed mesonephric ductsmesoderm The muscular and serous wall of the oragab are derived fron spalnchnopleuric mesoderm 