THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The urethra is much wider than the ureters and kidney stones usually do not get stuck in the urethra. Nearly all stones which manage to pass through the ureter into the bladder will pass from the bladder without further difficulty or pain.

Detailed explanation-2: -Mean ureteric diameter The measurement of the abdominal and pelvic ureter divided into the right and left side ranges from 1 to 9 mm, as summarized in Table 2.

Detailed explanation-3: -The ureters are bilateral thin (3 to 4 mm) tubular structures that connect the kidneys to the urinary bladder, transporting urine from the renal pelvis into the bladder.