Abatacept is in a class of medications called selective costimulation modulators (immunomodulators). It works by blocking the activity of T-cells, a type of immune cell in the body that causes swelling and joint damage in people who have arthritis.
A crumpet /ËkrÊmpáµ»t/ is a griddle cake made from flour and yeast.
Ping-pong balls. Ping-pong balls are made from the wood component celluloid, a mixture of nitrocellulose (used in nail polish) and the plant-based plasticizer camphor. Celluloid is used in ping-pong balls because it is easily moulded and shaped, while allowing for the high-bounce property of the balls.