<prompt> Ureteric constriction is seen at all the following positions, EXCEPT?Ureteropelvic junctionUreterovesical junctionCrossing of iliac aeryIschial spine  <response>: Each ureter measures about 10 in. 25 cm long and resembles the esophagus also 10 in. long in having three constrictions along its course. The sites of ureteric constrictions include: where the renal pelvis joins the ureter, where it is kinked as it crosses the pelvic brim, and where it pierces the bladder wall. 