ANATOMY IN A NUTSHELL. 



2v") 



and ends at the left side of the lower border of the fourth dorsal vertebra from 

 which place it is called thoracic aorta. The upper border of the arch is about 

 an inch below the upper margin of the sternum. 



Relations of the Arch of the Aorta. 



Above. — (1) Left innominate vein. (2) Innominate artery. (3) Left caro- 

 tid artery. (4) Left subclavian artery. 



PLATE CXIX. 



ANTERIOR JUGULAR VEIN 



COMMON CAROTID ARTERY 

 INTERNAL JUGULAR VE 



OUTER CERVICAL FASCIA. 



MIDDLE CERVICAL FASCIA. 

 .COMMON CAROTID ARTERY 



UGULAR VEIN 

 PNEUMOGASTRIC 

 NERVE 



The Cervical Fascia. 



Below.— (1) Eifurcaticn cf pulircnary artery. (2) Remains cf .hums 

 arteriosus, (3) Superficial cardiac plexus, (4) Lef1 recurrent laryngeal nerve, 

 and (5) L< f1 bronchus. 



[n Front.— (1) Pleurae and lungs, (2) Remains of thymus gland, (3) Left, 



