448 



THE CIRCULATORY SYSTEM. 



The Arteries. 



RUPTURE AND WOUNDS. 



The arteries are predisposed to rupture by fatty degeneration, arterio- 

 sclerosis with atheroma, and in various forms of acute inflammation. 



FIG. 245. TRANSVKRSK RUPTURE OF THE AORTA. (Traumatic.) 



Stenosis of the aorta may be followed by rupture between the occlusion 

 and the heart. The rupture may be complete or a dissecting aneurism 

 may form (see page 457). Eupture of the aorta may lead to sudden 

 death (Fig. 245). There maybe partial or complete rupture of an artery 

 from contusions, wrenchings, falls, etc. The injury to an artery from a 



