The discovery of the ureter

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The ureter is one of two fibromuscular tubes, 41 to 46 centimetres long, through which the urine passes from the kidney to the bladder[1].


The Greek philosopher and polymath Aristotle discovered the ureters around 350 BCE. In his text[2] he describes them as “a pair of stout ducts, void of blood, run, one from the cavity of each kidney, to the bladder.” Here is an illustration[3] and photograph[4] of the ureters: