1.   For one thing, Murray was concerned that a minor urinary system abnormality in Foster might pose some risk if she donated a kidney.

2.   He helped to define a relatively new field dealing with conditions of the urinary system and the male genital tract.

3.   In fact, they found -- but could not explain -- dramatically reduced deaths from urinary system cancers among dye users.

4.   The infection occurs when bacteria, usually from the intestinal tract, invade the urinary system.

5.   Excessive secretions can lead to malfunctioning of the urinary system and intestinal ulcers.