DISEASES OF LYMPH VESSELS 273 



or tortuous in its course, either circumscribed and then f usi- 

 form, tubular or sacculated in shape, or of a diffused charac- 

 ier, is peculiar to varicose veins. 



What becomes of varicose veins f 



They have a tendency to rupture and hemorrhage, f ormal- 

 "tion of thrombus, which may even become calcified, forming 

 a veinstone or phlebolith, or ulcerate. 



OuUine the treatment of varicose veins. 



Ligation and excision of the varix is the most surgical 

 "treatment and gave me good results in the one case of varix of 

 -the spur vein which I met and operated ; others recommend 

 ihe injection of carbolic acid, ergot, etc., into the perivascular 

 structures — that is, the tissues about the vein. 



DISEASES OF LYMPH VESSELS. 

 Lymphangitis. 



What is lymphangitis 9 



An inflammation of a lymph vessel. 

 What are the causes of lymphangitis ? 



Lymphangitis almost invariably is caused by the entrance 

 ■of septic bacteria or their products of metabolism into the 

 ■opened lymph vessel. 

 Where is lymphangitis commonly seen f 



In the neighborhood of infected wounds, as the result of 

 septic cellulitis, in fistulous withers, saddle galls, etc. 



Sow do you explain this ? 



Every tissue and organ is pervaded with lymph vessek, 

 Tlieir walls are thin and transparent, and adhere closely t(> 



