The usual in humans is two - one on each side
There wouldn't be much need for doctors to gave a person a third kidney as the body originally had only two, therefore the third kidney would probably be rejected by the immune system.
kidney
Her third husband was Samir Rachid. He was attacked by a gang and died from his injuries in 1995. He was on the way to hospital to donate a kidney to Tracy. She still got the kidney and survived her illness at the time.
third stage kidney disease with virtulitus
The organ was called a kidney first. The kidney bean is called so because it is shaped like a kidney, the organ.
An accessory kidney is an "extra" kidney.
Kidney stones. Kidney failure.
Kidney disease can lead to kidney failure.
Kidney failure and kidney rejection can still remain after kidney transplant.
Well the more surgery you have the more chance of something going wrong. Also if the fourth kidney gets rejected and has to be removed then presumably the person can go back onto dialysis as they still have the last working kidney which would be in better shape than the original ones. I am not sure at what stage they would have to remove one of the kidneys or how many kidney transplants they would let you have. All depends why a transplant fails I presume.
kidneys is the plural of kidney.
Edema means swelling. An edematous kidney is a swollen kidney.