0 either of a pair of small organs in the body that take away waste matter from the blood to produce urine:
1 either of a pair of small organs in the body that remove waste matter from the blood and produce urine
She suffered kidney failure and needed a blood transfusion.
kidney transplant
The kidney plays a vital role in the removal of waste products from the blood.
kidney dialysis
A total of 21 tissue samples (eight normal kidneys and 13 tumors) were obtained from 13 patients.
Moreover, hearts, livers, and kidneys perform the same functions in all humans.
First, acting in a theater and donating kidneys are very different.
