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.
Kurtwood Smith. Kurtwood Larson Smith (born July 3, 1943) is an American television and film actor. He is known for playing Clarence Boddicker in RoboCop (1987) and Red Forman in That '70s Show, as well as for his many appearances in science fiction films and television programs (Star Trek, The X-Files).