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.
The supervision of dealers is delegated to the self-regulatory bodies of the exchanges. The securities and Exchange Commission is an independent, quasi-judiciary agency. It has five commissioners, each appointed for a five year term that is staggered so that one new commissioner is being replaced every year. No more than three members of the commission can be of a single political party.