Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The ureter is a muscular duct that transports urine from the kidneys to the bladder. It plays a crucial role in the urinary system by facilitating the flow of urine.
5 Must Know Facts For Your Next Test
Each individual has two ureters, one attached to each kidney.
The ureter is lined with transitional epithelium that allows it to stretch as urine passes through.
Peristaltic contractions of the ureter's smooth muscle help propel urine toward the bladder.
Ureteral infections can lead to conditions such as pyelonephritis, an upper urinary tract infection involving the kidneys.
Obstructions in the ureter, like kidney stones, can cause severe pain and require medical intervention.