720 



THE LYMPHATIC SYSTEM 



suprascapular group. Small, outlying nodes of this group may be intercalated along the 

 vessels following the brachial artery throughout its course. 



(4) The subscapular group [Igl. subscapulares]. — In this group are six or seven nodes 

 which follow the subscapular artery and its branch, the circumflex (dorsal) scapular. Belonging 



Fig. 565.— The Lymphatics of the Upper Extremity. (After Toldt, "Atlas of Human 

 Anatomy," Rebman, London and New York.) 



Axillary lymph-nodes — 



Cephalic vein 



to It there are usually two or three small nodes on the dorsal surface of the scapula, in the 

 groove which separates the teres major and minor. This group receives vessels from the dorsal 

 surface of tlie thorax, as well as from the arm, and its elTerents pass to the brachial group. 



(5) Theunleriorjpeclmal^'group [Igl. pectorales]. — This group consists of four or five nodes 

 which lie along the lower border of the pcctoralis major and drain the mammary gland and 

 front of the chest. Their efferent vessels pass to the central and subclavian groups. 



