Ureter

The ureter is the tube in the human body that takes urine from the kidney to the bladder.

Ureter Media

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  Microscopic cross-section of the ureter, showing the epithelium (purple cells) sitting next to the lumen. A large amount of muscle fibres can be seen surrounding the epithelium, and the adventitia sits beyond this

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  Image showing the bottom part of an embryo 4 - 5 weeks old. Here, the ureter (in orange) can be seen emerging from the bottom of the mesonephric duct (labelled "Wolffian duct"), connected to the primitive bladder. Image from Gray's Anatomy 1918 edition.

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  A giant ureteral stone with dimensions of approximately 6 × 5 × 4 cm and weighing 61 grams extracted from the left ureter of a 19-year old male

The ureter are the tube that convey urine from the kidney to the urinary bladder they are about 25 to 30 centimetre long with the diameter of about 3 mm the numerator is continuous with the funnel shaped renal pelvis it passes downward through the abdominal cavity