670 



THE BLOOD-VASCULAR SYSTEM 



II. THE DEEP VEINS OF THE UPPER EXTREMITY 



The deep veins of the upper extremity accompan^y their corresponding 

 arteries. There are two veins to each artery below the level of the axilla, known 

 as the vense comitantes. The deep veins all contain numerous valves, and 



Fig. 528. — Deep Veins of the Arm and Axilla. (After Toldt, "Atlas of Human Anatomy," 



Rebman, London and New York.) 



Internal jugular vein 

 Transverse scapular vein / Transverse cervical artery 



Axillary artery and vein \ Jim^lA ' Transverse cervical vein 



Anterior circumflex humeral artery and vein \ ^^^^mMBKL^ ' External jugular vein 



Subclavian vein 



■ Jugular venous arch 



Right innominate vein 



Posterior circumflex /^Vi 

 humeral artery and »^ 



vein 



Circumflex scapular vein 

 Biceps muscle 



Ulnar collateral artery 

 and veins 



Basilic vein 

 Biceps muscle 

 Brachial veins 



Ulnar nerve 



Brachio-radialis 

 muscle 



''Lateral thoracic artery and 

 vein 



Dorsal thoracic artery and vein 



^Median cubital vein 

 ^Inferior ulnar collateral artery and vein 



-Connection of radial with superficial veins 

 -Ulnar artery and veins 



Radial artery and veins 



I 



communicate at frequent intervals through intermuscular veins with the super- 

 ficial vessels. 



