628 



DISSECTION OF DEEP VESSELS AND NERVES OF NECK. 



of vessels, Small vessel?. Below the digastric muscle the occipital artery is 

 directed back over the carotid ; and the offset from it to the sterno- 



FIG. 225. DEEP VESSELS AND NERVES OF THE NECK (ILLUSTRATIONS OF 



DISSECTIONS). 



Arteries : 



a. Subclavian. 



b. Common carotid. 



c. External carotid, cut. 



d. Internal carotid. 



f. Inferior palatine branch 

 facial. 



g. Ascending pharyngeal. 



Serves : 



1. GHosso-pharyngeal. 



2. Spinal accessory. 



3. Pueumo-gastric or vagus. 



of 



4. Hypoglossal. 



5. Pharyngeal branch of vagus. 



6. Superior laryngeal branch of 

 vagus. 



7. External laryngeal branch of the 

 last. 



8. Thyro-hyoid branch of hypo- 



9. Descendens cervicis, cut. 



10. Phrenic. 



11. Brachial plexus. Recurrent of 

 the vagus winds round the subclavian 

 artery, a. 



mastoid may run down on the carotid trunk. Above the digastric 

 the posterior auricular artery crosses the internal carotid. 



