Ureteric constriction is seen at all the following positions, except
Ureter has three constrictions, which are the most common sites of renal calculus obstruction: at the pelvi-ureteric junction (PUJ) of the renal pelvis and the ureter as the ureter enters the pelvis and crosses over the common iliac aery bifurcation at the vesicoureteric junction (VUJ) as the ureter obliquely enters the bladder wall Ref - BDC vol2 6e , researchgate.net
Ureteropelvic junction
Ureterovesical junction
Crossing of iliac aery
Ischial spine
Abdomen and pelvis