The Reticuloendothelial System and Atherosclerosis

The circulatory system is usually considered to be composed of tubes of various diameters, characterized by collateral and terminal branches. There is also a tendency to treat blood vessels merely as conducting tubes in which the various structures of the wall act as mechanical pumps wlrich modify their diameter. This is, of course, not so. In fact, we know that blood vessels, and in particular arteries, are organs with personalities of their own and a particular susceptibility to several diseas