962 



HUMAN ANATOMY. 



these, four are terminals for lymphatic stems coming from the arm and the thoracic 

 walls, while two others form relays between these terminal nodes and the subclavian 

 trunk by which the lymph from the entire axillary plexus is conveyed to the right 

 lymphatic duct or to the arch of the thoracic duct. 



1. The brachial subgroup is composed of a number of usually large nodes, 

 arranged in a chain along the axillary vein, for the most part along its inner surface, 

 although a node is to be found behind it, between it and the subscapular muscle. 

 The affcrcnts of this group come from the arm and include almost the entire set 

 of collecting stems from that region, only one of them, that which accompanies 

 the cephalic vein, passing to another group. Their cffercmts pass partly to the 

 intermediate subgroup of the axillary plexus, partly to the subclavicular subgroup, 

 and partly to the lower nodes of the inferior deep cervical group. 



2. The anterior pectoral subgroup is composed of two or three usually small 

 nodes situated over the second and third intercostal spaces, beneath the low^er 



Fig. 808. 



Brachial plexus 

 Subclavian artery 



Intermediate nodes 



Subclavicular nodes 



Mammary gland 



Brachial nodes 



Subscapular nodes 

 Anterior pectoral nodes 



Inferior pectoral nodes 



\ V 

 Axillary lymph-nodes, new-born child. [Oelsner*] 



border of the pectoralis major muscle and anterior to the long thoracic artery. 

 They receive afferents from the integument of the anterior surface of the thorax, 

 from the pectoral muscles, and from the manunary gland. Their effornts pass 

 partly to the intermediate and partly to the subclavicular subgroup of the axillar' 

 nodes. 



3. The inferior pectoral subgroup is composed of two or three small iiodes, 

 situated either up(5n or posterior to the long thoracic artery over the fourth and fifth 

 intercostal spaces or even higher. They receive their afferents mainly from the 

 integument of the lateral wall of the thorax and from the subjacent muscles, and 

 their efferents pass to the nodes of the intermediate subgroup. 



4. The subscapular subgroup nymphoglandulae subscapularcs ) consists of a chain 

 of six or more nodes situated along the course of the subscapular artery, and, in 

 addition, includes two or three nodes which rest upon the dorsal surface of the 

 scapula in the groove between the teres major and minor muscles. The afferents 



*Archiv f. klin. Chirurgie, Bd. Ixiv., 1901. 



