Use this 9 in. x 12 in. model to demostrate the way arteries can be clogged by deposits of fat. With five hand-painted, fixed cross sections of arteries, you can show patients various stages of arteriosclerosis. As they see the interior size of the vessel diminishing, you can easily explain the disease process of one of the most insidious and potent killers in the western world. Comes with a protective felt cover.