All are true about the trigone on the base of the urinary bladder, except ?
Trigone of the urinary bladder is a small triangular area located at the base of the bladder with apex towards the lower side. The mucosa is firmly attached to the underlying musculature giving it a smooth texture.
Mucosa is loosely associated to the underlying musculature
Mucosa is smooth
It is lined by transitional epithelium
It is derived from the absorbed pa of the mesonephric duct