EXTERNAL CAROTID ARTERY. 



Fig. 257. 



Fig. 257. DEEP VIEW OP THE CAROTID, SUBCLA.VIAN, AND AXILLARY ARTERIES (from 



Tiedemann). 



The great pectoral, the sterno-mastoid, and the sterno-hyoid and sterno-thyroid muscles 

 have been removed ; the front part of the deltoid has been divided near the clavicle ; the 

 greater part of the digastric muscle has been removed, and the upper part of the splenius 

 capitis and trachelo-mastoid divided near the mastoid process. Subclavian Artery arid- 

 its Branches. 1, first or inner part of the subclavian artery, giving rise to the thyroid 

 axis and internal mammary, and also to x , the vertebral artery ; 2, third part of the 



