784 



THE VASCULAR SYSTEMS 



THE LYMPHATICS OF THE UPPER EXTREMITY. 



The Lymph Nodes of the Upper Extremity. 



The lymph nodes of the upper extremity are divided into two sets, superficial 

 and deep. 



Axillary nodes: 



FIG. 561. The superficial lymphatics and nodes of the upper extremity. 



The superficial lymph nodes (Fig. 561) of the upper extremity are few in 

 number and small in size. They lie in the subcutaneous tissue. They are not 

 receiving depots of great areas, but interrupt lymphatic vessels here and there. 

 The nodes in the axilla receive all of the lymphatic vessels, superficial and deep. 

 There may be three sets of superficial nodes. 



One set, the antecubital nodes, lie in front of the elbow. These nodes are 

 often absent. When these nodes are present they receive vessels from the 



