778 



THE VASCULAR SYSTEMS 



and the posterior surface of the external auditory meatus; their efferents pass 

 to the upper deep cervical nodes. 



MASTOID 

 OCCIPITAL 



DEEP 



CERVICAL 



CHAIN 



FACIAL 



SUBMAXILLARV 

 SUBMENTAL 



FIG. 556. General arrangement of the lymph nodes of the head and neck. (Poirier and Charpy.) 



NODES OF 

 EXTERNAL JUGULAR 1 



CHAIN 



SUBMAXILLARY 



NODE OF 



INTERNAL JUGULAR 

 CHAIN 



FIG. 557. The lymphatics of the neck. (Kuttner.) 



The parotid lymph nodes (lymphoglandulae paroHdeae) (Figs. 556 and 557) 

 are divided into three groups, superficial, deep, and the subparotid. 



