Nephr/o, ren/o

Kidney

Nephritis, renal artery

Hydro/o

Water

Hydronephrosis (abnormal condition involving back up of urine into the kidney

Cyst/o

Bladder

Cystitis, cystectomy (inflammation of , removal of bladder)

Pyel/o

Renal collecting ducts

Pyelogram (X-ray of the collecting ducts)

Ur/o, -uria

Urine

Polyuria, anuria (frequent urination, no urine formation)

Olig/o

Scanty, less than normal

Oliguria (reduced urine formation)

-pexy

To surgically reattach, fix in normal position

Nephropexy (surgically attach kidney in normal anatomical position)