urinary calculus a calculus in any part of the urinary tract; it is vesical when lodged in the bladder and renal (see kidney stone) when in the renal pelvis. Common types named for their primary components are oxalate calculi, phosphate calculi, and uric acid calculi.
Clarence Gilyard Jr. was born on December 24, 1955 in Moses Lake, Washington, USA as Clarence Darnell Gilyard Jr. He is an actor and director, known for Walker, Texas Ranger (1993), Die Hard (1988) and Top Gun (1986). He is married to Elena. They have three children.
The show focuses on the daily life of Clarence Wendell, a fun-loving and spirited 9(later 10)-year-old boy, and his best friends: Jeff, who is the more intellectual sort and Sumo, who often uses drastic measures when solving problems.