ure·ter /ˈjʊrətɚ, jʊˈrɪtɚ/ 名詞
U·re·ter n. Anat. The duct which conveys the urine from the kidney to the bladder or cloaca. There are two ureters, one for each kidney.
n : either of a pair of thick-walled tubes that carry urine from
the kidney to the urinary bladder