Epithelium of "Trigone of bladder" is derived from
The urinary bladder is derived from the cranial pa of the vesicourethral canal (endoderm).The epithelium of the trigone is derived from absorbed mesonephric ducts (mesoderm)Reference: Inderbir Singh Embryology; 10th edition; Page no: 292
Vesicourethral Canal
Mesoderm
Splanchnopleuric Mesoderm
Urachus
General anatomy