136 PATHOLOGY 



(2) Disease of vessel walls, atheroma, aneurysm, or 

 ulceration, as in phthisis. 



(3) Hemophilia, a hereditary tendency to spontaneous 

 hemorrhages. 



Classification of Hemorrhages: 



Epistaxis, hemorrhage from the nose. 



Hemoptysis, hemorrhage from the lungs. 



Hematemesis, hemorrhage from the stomach, 



Enterorrhagia, hemorrhage from the bowel. 



Metrorrhagia, hemorrhage from the uterus between 

 menstrual periods. 



Menorrhagia, hemorrhage from the uterus, profuse at 

 menstrual period. 



Hematuria, hemorrhage from the urinary organs. 



Embolism is the process in which foreign bodies are 

 carried into the blood-stream and become lodged in 

 the smaller capillaries, through which they are not 

 able to pass because of their size. The objects thus 

 deposited are termed emboli. 



Kinds of Emboli. Dust, portions of iron, coal, marble, 

 etc.; portions of blood-clot or thrombi; cells from liver 

 or placenta, tumor-cells or masses; fat-emboli in frac- 

 ture of bones; air-emboli in wounds of large veins; bac- 

 teria and other parasites. 



Results of Embolism. Death may occur from occlu- 

 sion of the coronary arteries or cerebral vessels. In 

 smaller vessels the results depend upon the nature of 

 the emboli. If bacteria or septic material, a new 



