THE PAROTID REGION. 



53 



the spine, and so allow it to cut its way out, towards the 

 median line of the body. 



The vessels of this region are derived from the ascend- 

 ing pharyngeal of the external carotid, the ascending 

 palatine and tonsillitic of the facial, the dorsalis linguae 



FIG. 10. 



Sketch of the relations of the left tonsil viewed from above. 1. Superior cer- 

 vical ganglion. 2. Internal carotid artery and jugular vein. 3. Digastric muscle. 

 4. External carotid artery. 5. Glosso-pharyngeal nerve (drawn too thick). 6. 

 Stylo-pharyngeus muscle. 7. Stylo-glossus muscle. 8. The tonsil. 9. Section of 

 the pharynx and its mucous membrane. 



of the lingual, and the descending palatine of the inter- 

 nal maxillary ; and the nerves, from the glosso-pharyn- 

 geal and Meckel's ganglion. 



SURGICAL ANATOMY OF THE PAROTID REGION. 



The boundaries of the parotid region are somewhat 

 difficult of definition, partly on account of the irregu- 

 larity of the gland, and partly on account of its belong- 

 ing both to the cranium and to the neck. The follow- 

 ing appear to be the simplest : In front, the posterior 



5 



