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.
Clarence Clay Morrow was a fictional character in the FX television series Sons of Anarchy. He is played by Ron Perlman. He is the former International President of the Sons of Anarchy Motorcycle Club, but is also something of a vigilante as he does everything in his power to ensure that drug dealers and rapists stay out of his town.