According to Weige Meyer rule of duplication of ureter, the lower pole ureter in urinary bladder is:
Types Incomplete duplication: Both ureters join together and a single ureteric opening Complete duplication: Both ureters open separately Weige-Meyer's rule: - In case of complete duplication, the upper ureter and the lower pole ureter rotate on their long axes so that the upper pole ureteric orifice is medial & caudal to the lower pole orifice. - Lower pole is lateral and cephalad to the upper pole