A bursa is a closed, fluid-filled sac that functions as a cushion and provide a gliding surface to reduce friction between tissues of the body around joints. Essentially, a bursa provides a slick surface so that tendons and ligaments can slide across a bony prominence so it doesn't catch or rub against the bone.
Mark Tatum's appointment as NBA Deputy Commissioner is recognition of the confidence our owners and teams have in his leadership ability and track record of success, said Silver.
James Brien Jim Comey, Jr. (born December 14, 1960) is an American lawyer and the current Director of the Federal Bureau of Investigation (FBI). Comey was the United States Deputy Attorney General from December 2003 to August 2005, serving in President George W. Bush's administration. As Deputy Attorney General, Comey was the second-highest-ranking official in the United States Department of Justice (DOJ), and ran the day-to-day operations of the Department.